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Alprazolam (alprazolam 2 mg) Dailymed

  1. Human Prescription
  2. Benzodiazepine
  3. RPK Pharmaceuticals, Inc.

Generic: alprazolam is used for the treatment of Agoraphobia Depressive Disorder Glaucoma, Angle-Closure Panic Disorder

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IMPRINT: G3722     SHAPE: oval
    COLOR: white    SCORE: 4

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alprazolam 2 mg - g3722 oval white

alprazolam 2 mg oral tablet - g3722 oval white

alprazolam 0.5 mg - g3720 oval orange

alprazolam 1 mg - g3721 oval blue

alprazolam 0.25 mg - g3719 oval white

Boxed Warning

Warning: Risks From Concomitant Use With Opioids; Abuse, Misuse, And Addiction; And Dependence And Withdrawal Reactions

  • Concomitant use of benzodiazepines and opioids may result in profound sedation, respiratory depression, coma, and death. Reserve concomitant prescribing of these drugs for patients for whom alternative treatment options are inadequate. Limit dosages and durations to the minimum required. Follow patients for signs and symptoms of respiratory depression and sedation [see Warnings and Precautions (5.1), Drug Interactions (7.1)].
  • The use of benzodiazepines, including alprazolam, exposes users to risks of abuse, misuse, and addiction, which can lead to overdose or death. Abuse and misuse of benzodiazepines commonly involve concomitant use of other medications, alcohol, and/or illicit substances, which is associated with an increased frequency of serious adverse outcomes. Before prescribing Alprazolam and throughout treatment, assess each patient's risk for abuse, misuse, and addiction [see Warnings and Precautions (5.2)].
  • The continued use of benzodiazepines, including alprazolam, may lead to clinically significant physical dependence. The risks of dependence and withdrawal increase with longer treatment duration and higher daily dose. Abrupt discontinuation or rapid dosage reduction of Alprazolam after continued use may precipitate acute withdrawal reactions, which can be life-threatening. To reduce the risk of withdrawal reactions, use a gradual taper to discontinue alprazolam or reduce the dosage [see Dosage and Administration (2.2), Warnings and Precautions (5.3)].
WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; ABUSE, MISUSE, AND ADDICTION; and DEPENDENCE AND WITHDRAWAL REACTIONS See full prescribing information for complete boxed warning.
  • Concomitant use of benzodiazepines and opioids may result in profound sedation, respiratory depression, coma, and death. Reserve concomitant prescribing for use in patients for whom alternative treatment options are inadequate. Limit dosages and durations to the minimum required. Follow patients for signs and symptoms of respiratory depression and sedation. (5.1, 7.1)
  • The use of benzodiazepines, including alprazolam, exposes users to risks of abuse, misuse, and addiction, which can lead to overdose or death. Before prescribing alprazolam and throughout treatment, assess each patient's risk for abuse, misuse, and addiction. (5.2)
  • Abrupt discontinuation or rapid dosage reduction of alprazolam after continued use may precipitate acute withdrawal reactions, which can be life-threatening. To reduce the risk of withdrawal reactions, use a gradual taper to discontinue alprazolam or reduce the dosage. (2.2, 5.3)

  1. FDA Adverse Reactions

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Warning: Risks From Concomitant Use With Opioids; Abuse, Misuse, And Addiction; And Dependence And Withdrawal Reactions

  • Concomitant use of benzodiazepines and opioids may result in profound sedation, respiratory depression, coma, and death. Reserve concomitant prescribing of these drugs for patients for whom alternative treatment options are inadequate. Limit dosages and durations to the minimum required. Follow patients for signs and symptoms of respiratory depression and sedation [see Warnings and Precautions (5.1), Drug Interactions (7.1)].
  • The use of benzodiazepines, including alprazolam, exposes users to risks of abuse, misuse, and addiction, which can lead to overdose or death. Abuse and misuse of benzodiazepines commonly involve concomitant use of other medications, alcohol, and/or illicit substances, which is associated with an increased frequency of serious adverse outcomes. Before prescribing Alprazolam and throughout treatment, assess each patient's risk for abuse, misuse, and addiction [see Warnings and Precautions (5.2)].
  • The continued use of benzodiazepines, including alprazolam, may lead to clinically significant physical dependence. The risks of dependence and withdrawal increase with longer treatment duration and higher daily dose. Abrupt discontinuation or rapid dosage reduction of Alprazolam after continued use may precipitate acute withdrawal reactions, which can be life-threatening. To reduce the risk of withdrawal reactions, use a gradual taper to discontinue alprazolam or reduce the dosage [see Dosage and Administration (2.2), Warnings and Precautions (5.3)].


WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; ABUSE, MISUSE, AND ADDICTION; and DEPENDENCE AND WITHDRAWAL REACTIONS

See full prescribing information for complete boxed warning.
  • Concomitant use of benzodiazepines and opioids may result in profound sedation, respiratory depression, coma, and death. Reserve concomitant prescribing for use in patients for whom alternative treatment options are inadequate. Limit dosages and durations to the minimum required. Follow patients for signs and symptoms of respiratory depression and sedation. (5.1, 7.1)
  • The use of benzodiazepines, including alprazolam, exposes users to risks of abuse, misuse, and addiction, which can lead to overdose or death. Before prescribing alprazolam and throughout treatment, assess each patient's risk for abuse, misuse, and addiction. (5.2)
  • Abrupt discontinuation or rapid dosage reduction of alprazolam after continued use may precipitate acute withdrawal reactions, which can be life-threatening. To reduce the risk of withdrawal reactions, use a gradual taper to discontinue alprazolam or reduce the dosage. (2.2, 5.3)

Recent Major Changes Section


Boxed Warning 2/2021
Dosage and Administration (2.3) 2/2021
Warnings and Precautions (5.2, 5.3) 2/2021

1 Indications And Usage


Alprazolam is indicated for the:
  • acute treatment of generalized anxiety disorder (GAD) in adults.
  • treatment of panic disorder (PD), with or without agoraphobia in adults.


Alprazolam is a benzodiazepine indicated for the:
  • Acute treatment of generalized anxiety disorder in adults. (1)
  • Treatment of panic disorder with or without agoraphobia in adults. (1)

2 Dosage And Administration


  • Generalized Anxiety Disorder: (2.1)
    • Recommended starting oral dosage is 0.25 mg to 0.5 mg three times daily.
    • Dosage may be increased, at intervals of every 3 to 4 days, to a maximum recommended daily dose of 4 mg, given in divided doses.
    • Use the lowest possible effective dose and frequently assess the need for continued treatment.
  • Panic Disorder: Recommended starting oral dosage is 0.5 mg three times daily. The dosage may be increased at intervals of every 3 to 4 days in increments of no more than 1 mg per day. (2.2)
  • When tapering, decrease dosage by no more than 0.5 mg every 3 days. Some patients may require an even slower dosage reduction. (2.3, 5.2)
  • See the Full Prescribing Information for the recommended dosage in geriatric patients, patients with hepatic impairment, and with use with ritonavir. (2.4, 2.5, 2.6)

2.1Dosage in Generalized Anxiety Disorder


The recommended starting oral dosage of alprazolam for the acute treatment of patients with GAD is 0.25 mg to 0.5 mg administered three times daily. Depending upon the response, the dosage may be adjusted at intervals of every 3 to 4 days. The maximum recommended dosage is 4 mg daily (in divided doses).

Use the lowest possible effective dose and frequently assess the need for continued treatment [see Warnings and Precautions (5.2)].

2.2Dosage in Panic Disorder


The recommended starting oral dosage of alprazolam for the treatment of PD is 0.5 mg three times daily. Depending on the response, the dosage may be increased at intervals of every 3 to 4 days in increments of no more than 1 mg per day.

Controlled trials of alprazolam in the treatment of panic disorder included dosages in the range of 1 mg to 10 mg daily. The mean dosage was approximately 5 mg to 6 mg daily. Occasional patients required as much as 10 mg per day.

For patients receiving doses greater than 4 mg per day, periodic reassessment and consideration of dosage reduction is advised. In a controlled postmarketing dose-response study, patients treated with doses of alprazolam greater than 4 mg per day for 3 months were able to taper to 50% of their total maintenance dose without apparent loss of clinical benefit.

The necessary duration of treatment for PD in patients responding to alprazolam is unknown. After a period of extended freedom from panic attacks, a carefully supervised tapered discontinuation may be attempted, but there is evidence that this may often be difficult to accomplish without recurrence of symptoms and/or the manifestation of withdrawal phenomena [see Dosage and Administration (2.3)].

2.3Discontinuation or Dosage Reduction of Alprazolam


To reduce the risk of withdrawal reactions, use a gradual taper to discontinue Alprazolam or reduce the dosage. If a patient develops withdrawal reactions, consider pausing the taper or increasing the dosage to the previous tapered dosage level. Subsequently decrease the dosage more slowly [see Warnings and Precautions (5.3), Drug Abuse and Dependence (9.3)].

Reduced the dosage by no more than 0.5 mg every 3 days. Some patients may benefit from an even more gradual discontinuation. Some patients may prove resistant to all discontinuation regimens.

In a controlled postmarketing discontinuation study of panic disorder patients which compared the recommended taper schedule with a slower taper schedule, no difference was observed between the groups in the proportion of patients who tapered to zero dose; however, the slower schedule was associated with a reduction in symptoms associated with a withdrawal syndrome.

2.4Dosage Recommendations in Geriatric Patients


In geriatric patients, the recommended starting oral dosage of Alprazolam is 0.25 mg, given 2 or 3 times daily. This may be gradually increased if needed and tolerated. Geriatric patients may be especially sensitive to the effects of benzodiazepines. If adverse reactions occur at the recommended starting dosage, the dosage may be reduced [see Use in Specific Populations (8.5), Clinical Pharmacology (12.3)].

2.5Dosage Recommendations in Patients with Hepatic Impairment


In patients with hepatic impairment, the recommended starting oral dosage of Alprazolam is 0.25 mg, given 2 or 3 times daily. This may be gradually increased if needed and tolerated. If adverse reactions occur at the recommended starting dose, the dosage may be reduced [see Use in Specific Populations (8.6), Clinical Pharmacology (12.3)].

2.6 Dosage Modifications for Drug Interactions


Alprazolam should be reduced to half of the recommended dosage when a patient is started on ritonavir and alprazolam together, or when ritonavir administered to a patient treated with alprazolam. Increase the alprazolam dosage to the target dose after 10 to 14 days of dosing ritonavir and alprazolam together. It is not necessary to reduce alprazolam dose in patients who have been taking ritonavir for more than 10 to 14 days.

Alprazolam is contraindicated with concomitant use of all strong CYP3A inhibitors, except ritonavir [see Contraindications (4), Warnings and Precautions (5.5)].

3 Dosage Forms And Strengths


Alprazolam tablets are available as:
  • 0.25 mg: white, oval, scored, imprinted "G3719"
  • 0.5 mg: peach, oval, scored, imprinted "G3720"
  • 1 mg: blue, oval, scored, imprinted "G3721"
  • 2 mg: white, oblong, multi-scored, imprinted "G3722"


Tablets: 0.25 mg, 0.5 mg, 1 mg, and 2 mg (3)

4 Contraindications


Alprazolam is contraindicated in patients:

  • Known hypersensitivity to alprazolam or other benzodiazepines. (4)
  • Concomitant use with strong cytochrome P450 3A (CYP3A) inhibitors, except ritonavir. (4, 5.5, 7.1)

5 Warnings And Precautions


  • Effects on Driving and Operating Machinery: Patients receiving Alprazolam should be cautioned against operating machinery or driving a motor vehicle, as well as avoiding concomitant use of alcohol and other central nervous system (CNS) depressant drugs. (5.4)
  • Neonatal Sedation and Withdrawal Syndrome (NOWS): Use of Alprazolam during pregnancy can result in neonatal sedation and neonatal withdrawal syndrome. (5.5, 8.1)
  • Patients with Depression: Exercise caution in patients with signs or symptoms of depression. Prescribe the least number of tablets feasible to avoid intentional overdosage. (5.7)

5.1Risks from Concomitant Use with Opioids


Concomitant use of benzodiazepines, including alprazolam, and opioids may result in profound sedation, respiratory depression, coma, and death. Because of these risks, reserve concomitant prescribing of these drugs in patients for whom alternative treatment options are inadequate.

Observational studies have demonstrated that concomitant use of opioid analgesics and benzodiazepines increases the risk of drug-related mortality compared to use of opioids alone. If a decision is made to prescribe alprazolam concomitantly with opioids, prescribe the lowest effective dosages and minimum durations of concomitant use, and follow patients closely for signs and symptoms of respiratory depression and sedation. In patients already receiving an opioid analgesic, prescribe a lower initial dose of alprazolam than indicated in the absence of an opioid and titrate based on clinical response. If an opioid is initiated in a patient already taking alprazolam, prescribe a lower initial dose of the opioid and titrate based upon clinical response.

Advise both patients and caregivers about the risks of respiratory depression and sedation when alprazolam is used with opioids. Advise patients not to drive or operate heavy machinery until the effects of concomitant use with the opioid have been determined [see Drug Interactions (7.1)].

5.2Abuse, Misuse, and Addiction


The use of benzodiazepines, including alprazolam, exposes users to the risks of abuse, misuse, and addiction, which can lead to overdose or death. Abuse and misuse of benzodiazepines often (but not always) involve the use of doses greater than the maximum recommended dosage and commonly involve concomitant use of other medications, alcohol, and/or illicit substances, which is associated with an increased frequency of serious adverse outcomes, including respiratory depression, overdose, or death [see Drug Abuse and Dependence (9.2)].

Before prescribing Alprazolam and throughout treatment, assess each patient's risk for abuse, misuse, and addiction (e.g., using a standardized screening tool). Use of Alprazolam, particularly in patients at elevated risk, necessitates counseling about the risks and proper use of Alprazolam along with monitoring for signs and symptoms of abuse, misuse, and addiction. Prescribe the lowest effective dosage; avoid or minimize concomitant use of CNS depressants and other substances associated with abuse, misuse, and addiction (e.g., opioid analgesics, stimulants); and advise patients on the proper disposal of unused drug. If a substance use disorder is suspected, evaluate the patient and institute (or refer them for) early treatment, as appropriate.

5.3Dependence and Withdrawal Reactions


To reduce the risk of withdrawal reactions, use a gradual taper to discontinue Alprazolam or reduce the dosage (a patient-specific plan should be used to taper the dose) [see Dosage and Administration (2.3)].

Patients at an increased risk of withdrawal adverse reactions after benzodiazepine discontinuation or rapid dosage reduction include those who take higher dosages, and those who have had longer durations of use.


Acute Withdrawal Reactions

The continued use of benzodiazepines, including Alprazolam, may lead to clinically significant physical dependence. Abrupt discontinuation or rapid dosage reduction of Alprazolam after continued use, or administration of flumazenil (a benzodiazepine antagonist) may precipitate acute withdrawal reactions, which can be life-threatening (e.g., seizures) [see Drug Abuse and Dependence (9.3)].


Protracted Withdrawal Syndrome

In some cases, benzodiazepine users have developed a protracted withdrawal syndrome with withdrawal symptoms lasting weeks to more than 12 months [see Drug Abuse and Dependence (9.3)].

Certain adverse clinical events, some life-threatening, are a direct consequence of physical dependence to Alprazolam. These include a spectrum of withdrawal symptoms; the most important is seizure [see Drug Abuse and Dependence (9.3)]. Even after relatively short-term use at doses of ≤4 mg/day, there is some risk of dependence. Spontaneous reporting system data suggest that the risk of dependence and its severity appear to be greater in patients treated with doses greater than 4 mg/day and for long periods (more than 12 weeks). However, in a controlled postmarketing discontinuation study of panic disorder patients who received Alprazolam, the duration of treatment (3 months compared to 6 months) had no effect on the ability of patients to taper to zero dose. In contrast, patients treated with doses of Alprazolam greater than 4 mg/day had more difficulty tapering to zero dose than those treated with less than 4 mg/day.

In a controlled clinical trial in which 63 patients were randomized to Alprazolam and where withdrawal symptoms were specifically sought, the following were identified as symptoms of withdrawal: heightened sensory perception, impaired concentration, dysosmia, clouded sensorium, paresthesias, muscle cramps, muscle twitch, diarrhea, blurred vision, appetite decrease, and weight loss. Other symptoms, such as anxiety and insomnia, were frequently seen during discontinuation, but it could not be determined if they were due to return of illness, rebound, or withdrawal.


Interdose Symptoms

Early morning anxiety and emergence of anxiety symptoms between doses of Alprazolam have been reported in patients with panic disorder taking prescribed maintenance doses. These symptoms may reflect the development of tolerance or a time interval between doses which is longer than the duration of clinical action of the administered dose. In either case, it is presumed that the prescribed dose is not sufficient to maintain plasma levels above those needed to prevent relapse, rebound, or withdrawal symptoms over the entire course of the interdosing interval.

5.4Effects on Driving and Operating Machinery


Because of its CNS depressant effects, patients receiving Alprazolam should be cautioned against engaging in hazardous occupations or activities requiring complete mental alertness such as operating machinery or driving a motor vehicle. For the same reason, patients should be cautioned about the concomitant use of alcohol and other CNS depressant drugs during treatment with Alprazolam [see Drug Interactions (7.1)].

5.5Neonatal Sedation and Withdrawal Syndrome


Use of Alprazolam during later stages of pregnancy can result in sedation (respiratory depression, lethargy, hypotonia) and withdrawal symptoms (hyperreflexia, irritability, restlessness, tremors, inconsolable crying, and feeding difficulties) in the neonate. Observe newborns for signs of sedation and neonatal withdrawal syndrome and manage accordingly [see Use in Specific Populations (8.1)].

5.6Interaction with Drugs that Inhibit Metabolism via Cytochrome P450 3A


The initial step in Alprazolam metabolism is hydroxylation catalyzed by cytochrome P450 3A (CYP3A). Drugs that inhibit this metabolic pathway may have a profound effect on the clearance of Alprazolam.


Strong CYP3A Inhibitors

Alprazolam is contraindicated in patients receiving strong inhibitors of CYP3A (such as azole antifungal agents), except ritonavir [see Contraindications (4)]. Ketoconazole and itraconazole have been shown in vivo to increase plasma Alprazolam concentrations 3.98 fold and 2.70 fold, respectively.

Dosage adjustment is necessary when Alprazolam and ritonavir are initiated concomitantly or when ritonavir is added to a stable dosage of Alprazolam [see Dosage and Administration (2.6), Drug Interactions (7.1)].

Drugs demonstrated to be CYP3A inhibitors on the basis of clinical studies involving Alprazolam: nefazodone, fluvoxamine, and cimetidine [see Drug Interaction (7.1), Clinical Pharmacology (12.3)]. Use caution and consider dose reduction of Alprazolam, as appropriate, during co-administration with these drugs.

5.7Patients with Depression


Benzodiazepines may worsen depression. Panic disorder has been associated with primary and secondary major depressive disorders and increased reports of suicide among untreated patients. Consequently, appropriate precautions (e.g., limiting the total prescription size and increased monitoring for suicidal ideation) should be considered in patients with depression.

5.8Mania


Episodes of hypomania and mania have been reported in association with the use of Alprazolam in patients with depression [see Adverse Reactions (6.2)].

5.9Risk in Patients with Impaired Respiratory Function


There have been reports of death in patients with severe pulmonary disease shortly after the initiation of treatment with alprazolam. Closely monitor patients with impaired respiratory function. If signs and symptoms of respiratory depression, hypoventilation, or apnea occur, discontinue alprazolam.

6 Adverse Reactions


The following clinically significant adverse reactions are described elsewhere in the labeling:


The most common adverse reactions reported in clinical trials for generalized anxiety disorder and panic disorder (incidence ≥5% and at least twice that of placebo) include: impaired coordination, hypotension, dysarthria, and increased libido. (6.1)

To report SUSPECTED ADVERSE REACTIONS, contact Greenstone LLC at 1-800-438-1985 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

6.1Clinical Trials Experience


Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

The data in the two tables below are estimates of adverse reaction incidence among adult patients who participated in:
  • 4-week placebo-controlled clinical studies with alprazolam dosages up to 4 mg per day for the acute treatment of generalized anxiety disorder (Table 1)
  • Short-term (up to 10 weeks) placebo-controlled clinical studies with alprazolam dosages up to 10 mg per day for panic disorder, with or without agoraphobia (Table 2).
Table 1: Adverse Reactions Occurring in ≥1% in ALPRAZOLAM-treated Patients and Greater than Placebo-treated Patients in Placebo-Controlled Trials for Generalized Anxiety
alprazolamn=565 Placebon=505
Nervous system disorders
  Drowsiness 41% 22%
  Light-headedness 21% 19%
  Dizziness 2% 1%
  Akathisia 2% 1%
Gastrointestinal disorders
  Dry mouth 15% 13%
  Increased salivation 4% 2%
Cardiovascular disorders
  Hypotension 5% 2%
Skin and subcutaneous tissue disorders
  Dermatitis/allergy 4% 3%

In addition to the adverse reactions (i.e., greater than 1%) enumerated in the table above for patients with generalized anxiety disorder, the following adverse reactions have been reported in association with the use of benzodiazepines: dystonia, irritability, concentration difficulties, anorexia, transient amnesia or memory impairment, loss of coordination, fatigue, seizures, sedation, slurred speech, jaundice, musculoskeletal weakness, pruritus, diplopia, dysarthria, changes in libido, menstrual irregularities, incontinence and urinary retention.
Table 2: Adverse Reactions Occuring in ≥1% in Alprazolam-treated Patients and Greater than Placebo-treated Patients in Placebo-Controlled Trials (Up to 10 Weeks) for Panic Disorder
Alprazolam n=1388 Placebon=1231
  Drowsiness 77% 43%
  Fatique and Tiredness 49% 42%
  Impaired Coordination 40% 18%
  Irritability 33% 30%
  Memory Impairment 33% 22%
  Cognitive Disorder 29% 21%
  Decreased Libido 14% 8%
  Dysartharia 23% 6%
  Confusional state 10% 8%
  Increased libido 8% 4%
  Change in libido (not specified) 7% 6%
  Disinhibition 3% 2%
  Talkativeness 2% 1%
  Derealization 2% 1%
Gastrointestinal disorders
  Constipation 26% 15%
  Increased salivation 6% 4%
Skin and subcutaneous tissue disorders
  Rash 11% 8%
Other
  Increased appetite 33% 23%
  Decreased appetite 28% 24%
  Weight gain 27% 18%
  Weight loss 23% 17%
  Micturition difficulties 12% 9%
  Menstrual disorders 11% 9%
  Sexual dysfunction 7% 4%
  Incontinence 2% 1%

In addition to the reactions (i.e., greater than 1%) enumerated in the table above for patients with panic disorder, the following adverse reactions have been reported in association with the use of alprazolam: seizures, hallucinations, depersonalization, taste alterations, diplopia, elevated bilirubin, elevated hepatic enzymes, and jaundice.


Adverse Reactions Reported as Reasons for Discontinuation in Treatment of Panic Disorder in Placebo-Controlled Trials

In a larger database comprised of both controlled and uncontrolled studies in which 641 patients received alprazolam, discontinuation-emergent symptoms which occurred at a rate of over 5% in patients treated with alprazolam and at a greater rate than the placebo-treated group are shown in Table 3.
Table 3: Discontinuation-Emergent Symptom Incidence Reported in ≥5% of Alprazolam-treated Patients and > Placebo-treated Patients
Alprazolam-treated Patients n=641
n=number of patients.
Nervous system disorders
Insomnia 29.5%
Light-headedness 19.3%
Abnormal involuntary movement 17.3%
Headache 17.0%
Muscular twitching 6.9%
Impaired coordination 6.6%
Muscle tone disorders 5.9%
Weakness 5.8%
Psychiatric disorders
Anxiety 19.2%
Fatigue and Tiredness 18.4%
Irritability 10.5%
Cognitive disorder 10.3%
Memory impairment 5.5%
Depression 5.1%
Confusional state 5.0%
Gastrointestinal disorders
Nausea/Vomiting 16.5%
Diarrhea 13.6%
Decreased salivation 10.6%
Metabolism and nutrition disorders
Weight loss 13.3%
Decreased appetite 12.8%
Dermatological disorders
Sweating 14.4%
Cardiovascular disorders
Tachycardia 12.2%
Special Senses
Blurred vision 10.0%

There have also been reports of withdrawal seizures upon rapid decrease or abrupt discontinuation of alprazolam [see Warning and Precautions (5.2) and Drug Abuse and Dependence (9.3)].

Paradoxical reactions such as stimulation, increased muscle spasticity, sleep disturbances, hallucinations, and other adverse behavioral effects such as agitation, rage, irritability, and aggressive or hostile behavior have been reported rarely. In many of the spontaneous case reports of adverse behavioral effects, patients were receiving other CNS drugs concomitantly and/or were described as having underlying psychiatric conditions. Should any of the above events occur, alprazolam should be discontinued. Isolated published reports involving small numbers of patients have suggested that patients who have borderline personality disorder, a prior history of violent or aggressive behavior, or alcohol or substance abuse may be at risk for such events. Instances of irritability, hostility, and intrusive thoughts have been reported during discontinuation of alprazolam in patients with posttraumatic stress disorder.

6.2 Postmarketing Experience


The following adverse reactions have been identified during postapproval use of Alprazolam. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Endocrine disorders: Hyperprolactinemia

General disorders and administration site conditions: Edema peripheral

Hepatobiliary disorders: Hepatitis, hepatic failure

Investigations: Liver enzyme elevations

Psychiatric disorders: Hypomania, mania

Reproductive system and breast disorders: Gynecomastia, galactorrhea

Skin and subcutaneous tissue disorders: Photosensitivity reaction, angioedema, Stevens-Johnson syndrome

7 Drug Interactions


  • Use with Opioids: Increase the risk of respiratory depression. (7.1)
  • Use with Other CNS Depressants: Produces additive CNS depressant effects. (7.1)
  • Use with Digoxin: Increase the risk of digoxin toxicity. (7.1)
  • Use with CYP3A Inhibitors (except ritonavir): Increase the risk of adverse reactions of alprazolam. (4, 5.6, 7.1)
  • Use with CYP3A Inducers: Increase the risk of reduced efficacy of alprazolam. (7.1)

7.1Drugs Having Clinically Important Interactions with Alprazolam


Table 4 includes clinically significant drug interactions with alprazolam [see Clinical Pharmacology (12.3)].
Table 4: Clinically Significant Drug Interactions with Alprazolam
Opioids
Clinical implication The concomitant use of benzodiazepines and opioids increases the risk of respiratory depression because of actions at different receptor sites in the CNS that control respiration. Benzodiazepines interact at gamma-aminobutyric acid(GABAA) sites and opioids interact primarily at mu receptors. When benzodiazepines and opioids are combined, the potential for benzodiazepines to significantly worsen opioid-related respiratory depression exists.
Prevention or management Limit dosage and duration of concomitant use of alprazolam and opioids, and monitor patients closely for respiratory depression and sedation [see Warnings and Precautions (5.1)].
Examples Morphine, buprenorphine, hydromorphone, oxymorphone, oxycodone, fentanyl, methadone, alfentanil, butorpenol, codeine, dihydrocodeine, meperidine, pentazocine, remifentanil, sufentanil, tapentadol, tramadol.
CNS Depressants
Clinical implication The benzodiazepines, including alprazolam, produce additive CNS depressant effects when coadministered with other CNS depressants.
Prevention or management Limit dosage and duration of alprazolam during concomitant use with CNS depressants [see Warnings and Precautions (5.3)].
Examples Psychotropic medications, anticonvulsants, antihistaminics, ethanol, and other drugs which themselves produce CNS depression.
Strong Inhibitors of CYP3A (except ritonavir)
Clinical implication Concomitant use of alprazolam with strong CYP3A inhibitors has a profound effect on the clearance of alprazolam, resulting in increased concentrations of alprazolam and increased risk of adverse reactions [see Clinical Pharmacology (12.3)].
Prevention or management Concomitant use of alprazolam with a strong CYP3A4 inhibitor (except ritonavir) is contraindicated [see Contraindications (4), Warnings and Precautions (5.5)].
Examples Ketoconazole, itraconazole, clarithromycin
Moderate or Weak Inhibitors of CYP3A
Clinical implication Concomitant use of alprazolam with CYP3A inhibitors may increase the concentrations of alprazolam, resulting in increased risk of adverse reactions of alprazolam [see Clinical Pharmacology (12.3)].
Prevention or management Avoid use and consider appropriate dose reduction when alprazolam is coadministered with a moderate or weak CYP3A inhibitor [see Warnings and Precautions (5.5)].
Examples Nefazodone, fluvoxamine, cimetidine, erythromycin
CYP3A Inducers
Clinical implication Concomitant use of CYP3A inducers can increase alprazolam metabolism and therefore can decease plasma levels of alprazolam [see Clinical Pharmacology (12.3)].
Prevention or management Caution is recommended during coadministration with alprazolam.
Examples Carbamazepine, phenytoin
Ritonavir
Clinical implication Interactions involving ritonavir and alprazolam are complex and time dependent. Short term administration of ritonavir increased alprazolam exposure due to CYP3A4 inhibition. Following long term treatment of ritonavir (>10 to 14 days), CYP3A4 induction offsets this inhibition.Alprazolam exposure was not meaningfully affected in the presence of ritonavir.
Prevention or management Reduce alprazolam dosage when ritonavir and alprazolam are initiated concomitantly, or when ritonavir is added to a regimen where alprazolam is stabilized.Increase alprazolam dosage to the target dosage after 10 to 14 days of dosing ritonavir and alprazolam concomitantly. No dosage adjustment of alprazolam is necessary in patients receiving ritonavir for more than 10 to14 days [see Dosage and Administration (2.6)].Concomitant use of alprazolam with a strong CYP3A inhibitor, except ritonavir, is contraindicated [see Contraindications (4), Warnings and Precautions (5.5)].
Digoxin
Clinical implication Increased digoxin concentrations have been reported when alprazolam was given, especially in geriatric patients( >65 years of age).
Prevention or management In patients on digoxin therapy, measure serum digoxin concentrations before initiating alprazolam. Continue monitoring digoxin serum concentration and toxicity frequently. Reduce the digoxin dose if necessary.

7.2Drug/Laboratory Test Interactions


Although interactions between benzodiazepines and commonly employed clinical laboratory tests have occasionally been reported, there is no consistent pattern for a specific drug or specific test.

8 Use In Specific Populations



Lactation: Breastfeeding not recommended. (8.2)

8.1 Pregnancy


Pregnancy Exposure Registry

There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to Alprazolam during pregnancy. Healthcare providers are encouraged to register patients by calling the National Pregnancy Registry for Other Psychiatric Medications at 1-866-961-2388 or visiting online at https://womensmentalhealth.org/clinical-and-research-programs/pregnancyregistry/othermedications/.


Risk Summary

Neonates born to mothers using benzodiazepines during the later stages of pregnancy have been reported to experience symptoms of sedation and neonatal withdrawal [see Warnings and Precautions (5.4), Clinical Considerations)]. Overall available data from published observational studies of pregnant women exposed to alprazolam have not established a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes (see Data).

The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated risk of major birth defects and of miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively.


Clinical Considerations


Fetal/Neonatal adverse reactions

Benzodiazepines cross the placenta and may produce respiratory depression and sedation in neonates. Monitor neonates exposed to benzodiazepines during pregnancy and labor for signs of sedation, respiratory depression, withdrawal, and feeding problems and manage accordingly [see Warnings and Precautions (5.4)].


Data


Human Data

Published data from observational studies on the use of benzodiazepines during pregnancy do not report a clear association with benzodiazepines and major birth defects. Although early studies reported an increased risk of congenital malformations with diazepam and chlordiazepoxide, there was no consistent pattern noted. In addition, the majority of recent case-control and cohort studies of benzodiazepine use during pregnancy, which were adjusted for confounding exposures to alcohol, tobacco, and other medications, have not confirmed these findings. At this time, there is no clear evidence that alprazolam exposure in early pregnancy can cause major birth defects. Neonates exposed to benzodiazepines during the late third trimester of pregnancy or during labor have been reported to exhibit sedation and neonatal withdrawal symptoms.

8.2 Lactation



Risk Summary

Limited data from published literature reports the presence of alprazolam in human breast milk. There are reports of sedation and withdrawal symptoms in breastfed neonates and infants exposed to alprazolam. The effects of alprazolam on lactation are unknown.

Because of the potential for serious adverse reactions, including sedation and withdrawal symptoms in breastfed neonates and infants, advise patients that breastfeeding is not recommended during treatment with alprazolam.

8.4 Pediatric Use


Safety and effectiveness of alprazolam have not been established in pediatric patients.

8.5 Geriatric Use


Alprazolam-treated geriatric patients had higher plasma concentrations of alprazolam (due to reduced clearance) compared to younger adult patients receiving the same doses. Therefore, dosage reduction of alprazolam is recommended in geriatric patients [see Dosage and Administration (2.4) and Clinical Pharmacology (12.3)].

8.6 Hepatic Impairment


Patients with alcoholic liver disease exhibit a longer elimination half-life (19.7 hours), compared to healthy subjects (11.4 hours). This may be caused by decreased clearance of alprazolam in patients with alcoholic liver disease. Dosage reduction of alprazolam is recommended in patients with hepatic impairment [see Dosage and Administration (2.4), Clinical Pharmacology (12.3)].

9 Drug Abuse And Dependence


9.1 Controlled Substance


Alprazolam contains alprazolam, which is a Schedule IV controlled substance.

9.2 Abuse


Alprazolam is a benzodiazepine and a CNS depressant with a potential for abuse and addiction. Abuse is the intentional, non-therapeutic use of a drug, even once, for its desirable psychological or physiological effects. Misuse is the intentional use, for therapeutic purposes, of a drug by an individual in a way other than prescribed by a health care provider or for whom it was not prescribed. Drug addiction is a cluster of behavioral, cognitive, and physiological phenomena that may include a strong desire to take the drug, difficulties in controlling drug use (e.g., continuing drug use despite harmful consequences, giving a higher priority to drug use than other activities and obligations), and possible tolerance or physical dependence. Even taking benzodiazepines as prescribed may put patients at risk for abuse and misuse of their medication. Abuse and misuse of benzodiazepines may lead to addiction.

Abuse and misuse of benzodiazepines often (but not always) involve the use of doses greater than the maximum recommended dosage and commonly involve concomitant use of other medications, alcohol, and/or illicit substances, which is associated with an increased frequency of serious adverse outcomes, including respiratory depression, overdose, or death. Benzodiazepines are often sought by individuals who abuse drugs and other substances, and by individuals with addictive disorders [see Warnings and Precautions (5.2)].

The following adverse reactions have occurred with benzodiazepine abuse and/or misuse: abdominal pain, amnesia, anorexia, anxiety, aggression, ataxia, blurred vision, confusion, depression, disinhibition, disorientation, dizziness, euphoria, impaired concentration and memory, indigestion, irritability, muscle pain, slurred speech, tremors, and vertigo.

The following severe adverse reactions have occurred with benzodiazepine abuse and/or misuse: delirium, paranoia, suicidal ideation and behavior, seizures, coma, breathing difficulty, and death. Death is more often associated with polysubstance use (especially benzodiazepines with other CNS depressants such as opioids and alcohol).

9.3 Dependence


Alprazolam may produce physical dependence from continued therapy. Physical dependence is a state that develops as a result of physiological adaptation in response to repeated drug use, manifested by withdrawal signs and symptoms after abrupt discontinuation or a significant dose reduction of a drug. Abrupt discontinuation or rapid dosage reduction of benzodiazepines or administration of flumazenil, a benzodiazepine antagonist, may precipitate acute withdrawal reactions, including seizures, which can be life-threatening. Patients at an increased risk of withdrawal adverse reactions after benzodiazepine discontinuation or rapid dosage reduction include those who take higher dosages (i.e., higher and/or more frequent doses) and those who have had longer durations of use [see Warnings and Precautions (5.3)].

To reduce the risk of withdrawal reactions, use a gradual taper to discontinue Alprazolam or reduce the dosage [see Dosage and Administration (2.3), Warnings and Precautions (5.3)].


Acute Withdrawal Signs and Symptoms

Acute withdrawal signs and symptoms associated with benzodiazepines have included abnormal involuntary movements, anxiety, blurred vision, depersonalization, depression, derealization, dizziness, fatigue, gastrointestinal adverse reactions (e.g., nausea, vomiting, diarrhea, weight loss, decreased appetite), headache, hyperacusis, hypertension, irritability, insomnia, memory impairment, muscle pain and stiffness, panic attacks, photophobia, restlessness, tachycardia, and tremor. More severe acute withdrawal signs and symptoms, including life-threatening reactions, have included catatonia, convulsions, delirium tremens, depression, hallucinations, mania, psychosis, seizures, and suicidality.


Protracted Withdrawal Syndrome

Protracted withdrawal syndrome associated with benzodiazepines is characterized by anxiety, cognitive impairment, depression, insomnia, formication, motor symptoms (e.g., weakness, tremor, muscle twitches), paresthesia, and tinnitus that persists beyond 4 to 6 weeks after initial benzodiazepine withdrawal. Protracted withdrawal symptoms may last weeks to more than 12 months. As a result, there may be difficulty in differentiating withdrawal symptoms from potential re-emergence or continuation of symptoms for which the benzodiazepine was being used.


Tolerance

Tolerance to alprazolam may develop from continued therapy. Tolerance is a physiological state characterized by a reduced response to a drug after repeated administration (i.e., a higher dose of a drug is required to produce the same effect that was once obtained at a lower dose). Tolerance to the therapeutic effect of alprazolam may develop; however, little tolerance develops to the amnestic reactions and other cognitive impairments caused by benzodiazepines.

10 Overdosage


10.1Clinical Experience


Manifestations of alprazolam overdosage include somnolence, confusion, impaired coordination, diminished reflexes, and coma. Death has been reported in association with overdoses of alprazolam by itself, as it has with other benzodiazepines. In addition, fatalities have been reported in patients who have overdosed with a combination of a single benzodiazepine, including alprazolam, and alcohol; alcohol levels seen in some of these patients have been lower than those usually associated with alcohol-induced fatality.

10.2Management of Overdose


In case of an overdosage, consult a Certified Poison Control Center at 1-800-222-1222 for latest recommendations.

As in all cases of drug overdosage, respiration, pulse rate, and blood pressure should be monitored. General supportive measures should be employed, along with immediate gastric lavage. Intravenous fluids should be administered and an adequate airway maintained. As with the management of intentional overdosing with any drug, it should be borne in mind that multiple agents may have been ingested.

Flumazenil may be useful in situations when an overdose with a benzodiazepine is known or suspected. Prior to the administration of flumazenil, necessary measures should be instituted to secure airway, ventilation, and intravenous access. Flumazenil is intended as an adjunct to, not as a substitute for, proper management of benzodiazepine overdose. Patients treated with flumazenil should be monitored for re-sedation, respiratory depression, and other residual benzodiazepine effects for an appropriate period after treatment. The prescriber should be aware of a risk of seizure in association with flumazenil treatment, particularly in long-term benzodiazepine users and in cyclic antidepressant overdose. The complete flumazenil package insert should be consulted prior to use.

11 Description


Alprazolam contains alprazolam which is a triazolo analog of the 1,4 benzodiazepine class of central nervous system-active compounds.

The chemical name of alprazolam is 8-Chloro-1-methyl-6-phenyl-4H-s-triazolo [4,3-α] [1,4] benzodiazepine.

The structural formula is:



Alprazolam is a white crystalline powder, which is soluble in methanol or ethanol but which has no appreciable solubility in water at physiological pH.

Each Alprazolam tablet, for oral administration, contains 0.25 mg, 0.5 mg, 1 mg, or 2 mg of alprazolam.

Inactive ingredients: cellulose, corn starch, docusate sodium, lactose, magnesium stearate, silicon dioxide and sodium benzoate. In addition, the 0.5 mg tablet contains FD&C Yellow No. 6 and the 1 mg tablet contains FD&C Blue No. 2.

12 Clinical Pharmacology


12.1 Mechanism of Action


Alprazolam is a 1,4 benzodiazepine. Alprazolam exerts its effect for the acute treatment of generalized anxiety disorder and panic disorder through binding to the benzodiazepine site of gamma-aminobutyric acid-A (GABAA) receptors in the brain and enhances GABA-mediated synaptic inhibition.

12.3 Pharmacokinetics


Plasma levels of alprazolam increase proportionally to the dose over the range of 0.5 to 3.0 mg.


Absorption

Following oral administration, peak plasma concentration of alprazolam (Cmax) occurs in 1 to 2 hours post dose.


Distribution

Alprazolam is 80% bound to human serum protein, and albumin accounts for the majority of the binding.


Elimination

The mean plasma elimination half-life (T1/2) of alprazolam is approximately 11.2 hours (range: 6.3 to 26.9 hours) in healthy adults.


Metabolism

Alprazolam is extensively metabolized in humans, primarily by cytochrome P450 3A4 (CYP3A4), to 2 major active metabolites in the plasma: 4-hydroxyalprazolam and α-hydroxyalprazolam. The plasma circulation levels of the two active metabolites are less than 4% of the parent. The reported relative potencies in benzodiazepine receptor binding experiments and in animal models of induced seizure inhibition are 0.20 and 0.66, respectively, for 4-hydroxyalprazolam and α-hydroxyalprazolam. The low concentrations and low potencies of 4-hydroxyalprazolam and α-hydroxyalprazolam indicate that they unlikely contribute much to the effects of alprazolam. A benzophenone derived from alprazolam is also found in humans. Their half-lives appear to be similar to that of alprazolam.


Excretion

Alprazolam and its metabolites are excreted primarily in the urine.


Specific Populations


Geriatric Patients

The mean T1/2 of alprazolam was 16.3 hours (range: 9.0 to 26.9 hours) in healthy elderly subjects compared to 11.0 hours (range: 6.3 to -15.8 hours, n=16) in healthy younger adult subjects.


Obese Patients

The mean T1/2 of alprazolam was 21.8 hours (range: 9.9 to 40.4 hours) in a group of obese subjects.


Patients with Hepatic Impairment

The mean T1/2 of alprazolam was 19.7 hours (range: 5.8 to 65.3 hours) in patients with alcoholic liver disease.


Racial or Ethnic Groups

Maximal concentrations and T1/2 of alprazolam are approximately 15% and 25% higher in Asians compared to Caucasians.


Smoking

Alprazolam concentrations may be reduced by up to 50% in smokers compared to non-smokers.


Drug Interaction Studies


In Vivo Studies

Most of the interactions that have been documented with alprazolam are with drugs that modulate CYP3A4 activity.

Compounds that are inhibitors or inducers of CYP3A would be expected to increase or decrease plasma alprazolam concentrations, respectively. Drug products that have been studied in vivo, along with their effect on increasing alprazolam AUC, are as follows: ketoconazole, 3.98 fold; itraconazole, 2.66 fold; nefazodone, 1.98 fold; fluvoxamine, 1.96 fold; and erythromycin, 1.61 fold [see Contraindications (4), Warnings and Precautions (5.5), Drug Interactions (7.2)]. Other studied drugs include:


In Vitro Studies

Data from in vitro studies of alprazolam suggest a possible drug interaction of alprazolam with paroxetine. The ability of alprazolam to induce human hepatic enzyme systems has not yet been determined.

13 Nonclinical Toxicology


13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility


Carcinogenesis

No evidence of carcinogenic potential was observed in rats or mice administered alprazolam for 2-years at doses up to 30 and 10 mg/kg day respectively. These doses are 29 times and 4.8 times the maximum recommended human dose of 10 mg/day based on mg/m2 body surface area, respectively.


Mutagenesis

Alprazolam was negative in the in vitro Ames bacterial reverse mutation assay and DNA Damage/Alkaline Elution Assay and in vivo rat micronucleus genetic toxicology assays.


Impairment of Fertility

Alprazolam produced no impairment of fertility in rats at doses up to 5 mg/kg per day, which is approximately 5 times the maximum recommended human dose of 10 mg per day based on mg/m2 body surface area.

13.2 Animal Toxicology and/or Pharmacology


When rats were treated with alprazolam at oral doses of 3 mg, 10 mg, and 30 mg/kg day (3 to 29 times the maximum recommended human dose based on mg/m2 body surface area) for 2 years, a tendency for a dose related increase in the number of cataracts was observed in females and a tendency for a dose related increase in corneal vascularization was observed in males. These lesions did not appear until after 11 months of treatment.

14 Clinical Studies


14.1Generalized Anxiety Disorder


Aplrazolam was compared to placebo in double-blind clinical studies (doses up to 4 mg per day) in patients with a diagnosis of anxiety or anxiety with associated depressive symptomatology. Alprazolam was significantly better than placebo at each of the evaluation periods of these 4-week studies as judged by the following psychometric instruments: Physician's Global Impressions, Hamilton Anxiety Rating Scale, Target Symptoms, Patient's Global Impressions, and Self-Rating Symptom Scale.

14.2Panic Disorder


The effectiveness of Alprazolam in the treatment of panic disorder was studied in 3 short-term, placebo-controlled studies (up to 10 weeks) in patients with diagnoses closely corresponding to DSM-III-R criteria for panic disorder.

The average dose of alprazolam was 5 mg to 6 mg per day in 2 of the studies, and the doses of alprazolam were fixed at 2 mg and 6 mg per day in the third study. In all 3 studies, alprazolam was superior to placebo on a variable defined as "the number of patients with zero panic attacks" (range, 37% to 83% met this criterion), as well as on a global improvement score. In 2 of the 3 studies, alprazolam was superior to placebo on a variable defined as "change from baseline on the number of panic attacks per week" (range, 3.3 to 5.2), and also on a phobia rating scale. A subgroup of patients who improved on alprazolam during short-term treatment in 1 of these trials was continued on an open basis up to 8 months, without apparent loss of benefit.

16 How Supplied/storage And Handling


Product: 53002-0340

NDC: 53002-0340-2 20 TABLET in a BOTTLE

NDC: 53002-0340-3 30 TABLET in a BOTTLE

17 Patient Counseling Information


Advise the patient to read the FDA-approved patient labeling (Medication Guide).


Risks from Concomitant Use with Opioids

Advise both patients and caregivers about the risks of potentially fatal respiratory depression and sedation when alprazolam is used with opioids and not to use such drugs concomitantly unless supervised by a healthcare provider. Advise patients not to drive or operate heavy machinery until the effects of concomitant use with the opioid have been determined [see Warnings and Precautions (5.1), Drug Interactions (7.1)].


Abuse, Misuse, and Addiction

Inform patients that the use of alprazolam, even at recommended dosages, exposes users to risks of abuse, misuse, and addiction, which can lead to overdose and death, especially when used in combination with other medications (e.g., opioid analgesics), alcohol, and/or illicit substances. Inform patients about the signs and symptoms of benzodiazepine abuse, misuse, and addiction; to seek medical help if they develop these signs and/or symptoms; and on the proper disposal of unused drug [see Warnings and Precautions (5.2), Drug Abuse and Dependence (9.2)].


Withdrawal Reactions

Inform patients that the continued use of alprazolam may lead to clinically significant physical dependence and that abrupt discontinuation or rapid dosage reduction of alprazolam may precipitate acute withdrawal reactions, which can be life-threatening. Inform patients that in some cases, patients taking benzodiazepines have developed a protracted withdrawal syndrome with withdrawal symptoms lasting weeks to more than 12 months. Instruct patients that discontinuation or dosage reduction of alprazolam may require a slow taper [see Warnings and Precautions (5.3), Drug Abuse and Dependence (9.3)].


Effects on Driving and Operating Machinery

Advise patients not to drive a motor vehicle or operate heavy machinery while taking alprazolam due to its CNS depressant effects. Also advise patients to avoid use of alcohol or other CNS depressants while taking alprazolam [see Warnings and Precautions (5.3)].


Patients with Depression

Advise patients, their families, and caregivers to look for signs of suicidality or worsening depression, and to inform the patient's healthcare provider immediately [see Warnings and Precautions (5.6)].


Concomitant Medications

Advise patients to inform their healthcare provider of all medicines they take, including prescription and nonprescription medications, vitamins and herbal supplements [see Drug Interactions (7)].


Pregnancy

Benzodiazepines cross the placenta and may produce respiratory depression and sedation in neonates. Advise mothers using alprazolam to monitor neonates for signs of sedation, respiratory depression, withdrawal symptoms, and feeding problems. Instruct patients to inform their healthcare provider if they are pregnant or intend to become pregnant during treatment with alprazolam [see Warnings and Precautions (5.4) . Advise patients that there is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to alprazolam during pregnancy [see Use in Specific Populations (8.1)].


Lactation

Advise women not to breastfeed during treatment with alprazolam [see Use in Specific Populations (8.2)].


This product's labeling may have been updated. For the most recent prescribing information, please visit www.greenstonellc.com.



LAB-0005-11.0Revised February 2021

Spl Medguide Section

MEDICATION GUIDEalprazolam tablets, C-IV
This Medication Guide has been approved by the U.S. Food and Drug Administration. Revised: February 2021
What is the most important information I should know about Alprazolam?
  • Alprazolam is a benzodiazepine medicine. Taking benzodiazepines with opioid medicines, alcohol, or other central nervous system (CNS) depressants (including street drugs) can cause severe drowsiness, breathing problems (respiratory depression), coma and death. Get emergency help right away if any of the following happens:
    • shallow or slowed breathing
    • breathing stops (which may lead to the heart stopping)
    • excessive sleepiness (sedation)
    Do not drive or operate heavy machinery until you know how taking Alprazolam with opioids affects you.
  • Risk of abuse, misuse, and addiction. There is a risk of abuse, misuse, and addiction with benzodiazepines, including Alprazolam, which can lead to overdose and serious side effects including coma and death.
    • Serious side effects including coma and death have happened in people who have abused or misused benzodiazepines, including Alprazolam. These serious side effects may also include delirium, paranoia, suicidal thoughts or actions, seizures, and difficulty breathing. Call your healthcare provider or go to the nearest hospital emergency room right away if you get any of these serious side effects.
    • You can develop an addiction even if you take Alprazolam as prescribed by your healthcare provider.
    • Take Alprazolam exactly as your healthcare provider prescribed.
    • Do not share your Alprazolam with other people.
    • Keep Alprazolam in a safe place and away from children.
  • Physical dependence and withdrawal reactions. Alprazolam can cause physical dependence and withdrawal reactions.
    • Do not suddenly stop taking Alprazolam. Stopping Alprazolam suddenly can cause serious and life-threatening side effects, including, unusual movements, responses, or expressions, seizures, sudden and severe mental or nervous system changes, depression, seeing or hearing things that others do not see or hear, an extreme increase in activity or talking, losing touch with reality, and suicidal thoughts or actions. Call your healthcare provider or go to the nearest hospital emergency room right away if you get any of these symptoms.
    • Some people who suddenly stop benzodiazepines, have symptoms that can last for several weeks to more than 12 months, including, anxiety, trouble remembering, learning, or concentrating, depression, problems sleeping, feeling like insects are crawling under your skin, weakness, shaking, muscle twitching, burning or prickling feeling in your hands, arms, legs or feet, and ringing in your ears.
    • Physical dependence is not the same as drug addiction. Your healthcare provider can tell you more about the differences between physical dependence and drug addiction.
  • Do not take more Alprazolam than prescribed or take Alprazolam for longer than prescribed.
What is Alprazolam?
  • Alprazolam is a prescription medicine used:
    • to treat anxiety disorders
    • for the short-term relief of the symptoms of anxiety
    • to treat panic disorder with or without a fear of places and situations that might cause panic, helplessness, or embarrassment (agoraphobia)
  • Alprazolam is a federal controlled substance (C-IV) because it contains alprazolam that can be abused or lead to dependence. Keep Alprazolam in a safe place to prevent misuse and abuse. Selling or giving away Alprazolam may harm others, and is against the law. Tell your healthcare provider if you have abused or been dependent on alcohol, prescription medicines or street drugs.
  • It is not known if Alprazolam is safe and effective in children.
  • Elderly patients are especially susceptible to dose related adverse effects when taking Alprazolam.
  • It is not known if Alprazolam is safe and effective when used to treat anxiety disorder for longer than 4 months.
  • It is not known if Alprazolam is safe and effective when used to treat panic disorder for longer than 10 weeks.
Do not take Alprazolam if:
  • you are allergic to alprazolam, other benzodiazepines, or any of the ingredients in Alprazolam. See the end of this Medication Guide for a complete ul of ingredients in Alprazolam.
  • you are taking antifungal medicines including ketoconazole and itraconazole
Before you take Alprazolam, tell your healthcare provider about all of your medical conditions, including if you:
  • have or have had depression, mood problems, or suicidal thoughts or behavior
  • have liver or kidney problems
  • have lung disease or breathing problems
  • are pregnant or plan to become pregnant. Alprazolam may harm your unborn baby. You and your healthcare provider should decide if you should take Alprazolam while you are pregnant.
  • are breastfeeding or plan to breastfeed. Alprazolam passes into your breast milk and may harm your baby. Talk to your healthcare provider about the best way to feed your baby if you take Alprazolam. You should not breastfeed while taking Alprazolam.
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.Taking Alprazolam with certain other medicines can cause side effects or affect how well Alprazolam or the other medicines work. Do not start or stop other medicines without talking to your healthcare provider.
How should I take Alprazolam?
  • See "What is the most important information I should know about Alprazolam?"
  • Take Alprazolam exactly as your healthcare provider tells you to take it. Your healthcare provider will tell you how much Alprazolam to take and when to take it.
  • If you take too much Alprazolam, call your healthcare provider or go to the nearest hospital emergency room right away.
What are the possible side effects of Alprazolam?Alprazolam may cause serious side effects, including:
  • See "What is the most important information I should know about Alprazolam?"
  • Seizures. Stopping Alprazolam can cause seizures and seizures that will not stop (status epilepticus).
  • Mania. Alprazolam may cause an increase in activity and talking (hypomania and mania) in people who have depression.
    • Alprazolam can make you sleepy or dizzy and can slow your thinking and motor skills. Do not drive, operate heavy machinery, or do other dangerous activities until you know how Alprazolam affects you.
    • Do not drink alcohol or take other drugs that may make you sleepy or dizzy while taking Alprazolam without first talking to your healthcare provider. When taken with alcohol or drugs that cause sleepiness or dizziness, Alprazolam may make your sleepiness or dizziness much worse.
The most common side effects of Alprazolam include:
  • problems with coordination
  • hypotension
  • trouble saying words clearly (dysarthria)
  • changes in sex drive (libido)
These are not all the possible side effects of Alprazolam. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
How should I store Alprazolam?
  • Store Alprazolam at room temperature between 68°F to 77°F (20°C to 25°C)
  • Keep Alprazolam and all medicines out of the reach of children.
General information about the safe and effective use of Alprazolam.
  • Medicines are sometimes prescribed for purposes other than those uled in a Medication Guide.
  • Do not use Alprazolam for a condition for which it was not prescribed.
  • Do not give Alprazolam to other people, even if they have the same symptoms that you have. It may harm them.
  • You can ask your pharmacist or healthcare provider for information about Alprazolam that is written for health professionals.
What are the ingredients in Alprazolam?Active ingredient: alprazolam Inactive ingredients: Cellulose, corn starch, docusate sodium, lactose, magnesium stearate, silicon dioxide and sodium benzoate. In addition, the 0.5 mg tablet contains FD&C Yellow No. 6 and the 1 mg tablet contains FD&C Blue No. 2.This Medication Guide has been approved by the U.S. Food and Drug Administration.This product's labeling may have been updated. For the most recent prescribing information, please visit www.greenstonellc.com.

LAB-0822-3.0Revised February 2021

Alprazolam 2mg Tablets C-iv


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