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PENNSAID Dailymed

  1. Human Prescription
  2. Nonsteroidal Anti-inflammatory Drug
  3. STAT RX USA LLC

Generic: diclofenac sodium is used for the treatment of Arthritis, Juvenile Arthritis, Rheumatoid Asthma Bronchial Spasm Dysmenorrhea Inflammation Keratosis Osteoarthritis Porphyrias Pregnancy Trimester, Third Rhinitis Spondylitis, Ankylosing Urticaria Bronchial Hyperreactivity Photophobia

PENNSAID solution - image

Boxed Warning

Warning: Cardiovascular And Gastrointestinal Risk

Cardiovascular Risk
  • Nonsteroidal anti-inflammatory drugs (NSAIDs) may cause an increased risk of serious cardiovascular thrombotic events, myocardial infarction, and stroke, which can be fatal. This risk may increase with duration of use. Patients with cardiovascular disease or risk factors for cardiovascular disease may be at greater risk [see Warnings and Precautions (5.1)].
  • PENNSAID is contraindicated in the perioperative setting of coronary artery bypass graft (CABG) surgery [see Contraindications (4)].
Gastrointestinal Risk
  • NSAIDs cause an increased risk of serious gastrointestinal adverse events including bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal. These events can occur at any time during use and without warning symptoms. Elderly patients are at greater risk for serious gastrointestinal events [see Warnings and Precautions (5.2) ].
WARNING: CARDIOVASCULAR AND GASTROINTESTINAL RISK See full prescribing information for complete boxed warning. Cardiovascular Risk
  • Nonsteroidal anti-inflammatory drugs (NSAIDs) may cause an increased risk of serious cardiovascular thrombotic events, myocardial infarction, and stroke, which can be fatal. Patients with cardiovascular disease or risk factors for cardiovascular disease may be at greater risk. (5.1)
  • PENNSAID is contraindicated for the treatment of perioperative pain in the setting of coronary artery bypass graft (CABG) surgery. (4)
Gastrointestinal Risk
  • NSAIDs, including PENNSAID, cause an increased risk of serious gastrointestinal adverse events including bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal. These events can occur at any time during use and without warning symptoms. Elderly patients are at greater risk for serious gastrointestinal events. (5.2)

  1. FDA Adverse Reactions

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Warning: Cardiovascular And Gastrointestinal Risk


Cardiovascular Risk
  • Nonsteroidal anti-inflammatory drugs (NSAIDs) may cause an increased risk of serious cardiovascular thrombotic events, myocardial infarction, and stroke, which can be fatal. This risk may increase with duration of use. Patients with cardiovascular disease or risk factors for cardiovascular disease may be at greater risk [see Warnings and Precautions (5.1)].
  • PENNSAID is contraindicated in the perioperative setting of coronary artery bypass graft (CABG) surgery [see Contraindications (4)].
Gastrointestinal Risk
  • NSAIDs cause an increased risk of serious gastrointestinal adverse events including bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal. These events can occur at any time during use and without warning symptoms. Elderly patients are at greater risk for serious gastrointestinal events [see Warnings and Precautions (5.2) ].


WARNING: CARDIOVASCULAR AND GASTROINTESTINAL RISK See full prescribing information for complete boxed warning.
Cardiovascular Risk
  • Nonsteroidal anti-inflammatory drugs (NSAIDs) may cause an increased risk of serious cardiovascular thrombotic events, myocardial infarction, and stroke, which can be fatal. Patients with cardiovascular disease or risk factors for cardiovascular disease may be at greater risk. (5.1)
  • PENNSAID is contraindicated for the treatment of perioperative pain in the setting of coronary artery bypass graft (CABG) surgery. (4)
Gastrointestinal Risk
  • NSAIDs, including PENNSAID, cause an increased risk of serious gastrointestinal adverse events including bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal. These events can occur at any time during use and without warning symptoms. Elderly patients are at greater risk for serious gastrointestinal events. (5.2)

1. Indications And Usage


PENNSAID is a nonsteroidal anti-inflammatory drug (NSAID) indicated for the treatment of signs and symptoms of osteoarthritis of the knee(s).


PENNSAID is a nonsteroidal anti-inflammatory drug (NSAID) indicated for the treatment of signs and symptoms of osteoarthritis of the knee(s). (1)

2. Dosage And Administration



For the relief of the signs and symptoms of osteoarthritis of the knee(s), the recommended dose is 40 drops on each painful knee, 4 times a day. (2)
  • Apply PENNSAID to clean, dry skin. (2.1)
  • Dispense PENNSAID 10 drops at a time either directly onto the knee or first into the hand and then onto the knee. Spread PENNSAID evenly around front, back and sides of the knee. Repeat this procedure until 40 drops have been applied and the knee is completely covered with solution. (2.1)
  • Wash hands completely after administering the product.
  • Wait until the area is completely dry before covering with clothing or applying sunscreen, insect repellent, cosmetics, topical medications, or other substances.
  • Do not get PENNSAID in your eyes, nose or mouth.

2.1 General Instructions


For the relief of the signs and symptoms of osteoarthritis of the knee(s), the recommended dose is 40 drops per knee, 4 times a day.

Apply PENNSAID to clean, dry skin.

To avoid spillage, dispense PENNSAID 10 drops at a time either directly onto the knee or first into the hand and then onto the knee. Spread PENNSAID evenly around front, back and sides of the knee. Repeat this procedure until 40 drops have been applied and the knee is completely covered with solution.

To treat the other knee, if symptomatic, repeat the procedure.

Application of PENNSAID in an amount exceeding or less than the recommended dose has not been studied and is therefore not recommended.

2.2 Special Precautions

  • Avoid showering/bathing for at least 30 minutes after the application of PENNSAID to the treated knee.
  • Wash and dry hands after use.
  • Do not apply PENNSAID to open wounds.
  • Avoid contact of PENNSAID with eyes and mucous membranes.
  • Do not apply external heat and/or occlusive dressings to treated knees.
  • Avoid wearing clothing over the PENNSAID-treated knee(s) until the treated knee is dry.
  • Protect the treated knee(s) from sunlight.
  • Wait until the treated area is dry before applying sunscreen, insect repellant, lotion, moisturizer, cosmetics, or other topical medication to the same knee you have just treated with PENNSAID.

3. Dosage Forms And Strengths


1.5% w/w topical solution

  • 1.5% w/w topical solution (3)

4. Contraindications


PENNSAID is contraindicated in patients with a known hypersensitivity to diclofenac sodium or any other component of PENNSAID.

PENNSAID is contraindicated in patients who have experienced asthma, urticaria, or allergic-type reactions after taking aspirin or other NSAIDs. Severe, rarely fatal, anaphylactic-like reactions to NSAIDs have been reported in such patients [see Warnings and Precautions (5.7, 5.10)].

PENNSAID is contraindicated in the setting of coronary artery bypass graft (CABG) surgery [see Warnings and Precautions (5.1) ].

  • Known hypersensitivity to diclofenac sodium. (4)
  • History of asthma, urticaria, or allergic-type reactions after taking aspirin or other NSAIDs. (4)
  • Use in the perioperative period of coronary artery bypass graft (CABG) surgery. (4)

5. Warnings And Precautions


  • Serious and potentially fatal cardiovascular thrombotic events, myocardial infarction, and stroke can occur with NSAID treatment. Use the lowest effective dose of PENNSAID in patients with known CV disease or risk factors for CV disease. (5.1)
  • NSAIDs can cause serious gastrointestinal (GI) adverse events including inflammation, bleeding, ulceration, and perforation. Prescribe PENNSAID with caution in those with a prior history of ulcer disease or gastrointestinal bleeding. (5.2)
  • Elevation of one or more liver tests may occur during therapy with NSAIDs. Discontinue PENNSAID immediately if abnormal liver tests persist or worsen. (5.3)
  • Hypertension can occur with NSAID treatment. Monitor blood pressure closely with PENNSAID treatment. (5.4)
  • Use PENNSAID with caution in patients with fluid retention or heart failure. (5.5)
  • Long-term administration of NSAIDs can result in renal papillary necrosis and other renal injury. Use PENNSAID with caution in patients at greatest risk of this reaction, including the elderly, those with impaired renal function, heart failure, liver dysfunction, and those taking diuretics and ACE-inhibitors. (5.6)
  • Anaphylactoid reactions may occur in patients with the aspirin triad or in patients without prior exposure to PENNSAID. (5.7)
  • NSAIDs can cause serious skin adverse events such as exfoliative dermatitis, Stevens-Johnson Syndrome (SJS), and toxic epidermal necrolysis (TEN), which can be fatal. (5.8)
  • Not for use during pregnancy. (5.9)
  • Do not administer to patients with aspirin sensitive asthma and use with caution in patients with preexisting asthma. (5.10)
  • Avoid exposure of treated knee(s) to natural or artificial sunlight. (5.11)
  • Avoid contact of PENNSAID with eyes and mucosa. (5.12)
  • Avoid concurrent use with oral NSAIDs. (5.13)

5.1 Cardiovascular Thrombotic Events


Clinical trials of several oral COX-2 selective and nonselective NSAIDs of up to three years duration have shown an increased risk of serious cardiovascular (CV) thrombotic events, myocardial infarction (MI), and stroke, which can be fatal. All NSAIDs, including PENNSAID and COX-2 selective and nonselective orally administered NSAIDs, may have a similar risk. Patients with known CV disease or risk factors for CV disease may be at greater risk. To minimize the potential risk for an adverse CV event in patients treated with an NSAID, use the lowest effective dose for the shortest duration possible. Physicians and patients should remain alert for the development of such events, even in the absence of previous CV symptoms. Inform patients about the signs and/or symptoms of serious CV events and the steps to take if they occur.

Two large, controlled, clinical trials of an orally administered COX-2 selective NSAID for the treatment of pain in the first 10 to 14 days following CABG surgery found an increased incidence of myocardial infarction and stroke [see Contraindications (4)].

There is no consistent evidence that concurrent use of aspirin mitigates the increased risk of serious CV thrombotic events associated with NSAID use. The concurrent use of aspirin and NSAIDs, such as diclofenac, does increase the risk of serious GI events [see Warnings and Precautions (5.2)].

5.2 Gastrointestinal Effects Risk of GI Ulceration, Bleeding, and Perforation


NSAIDs, including diclofenac, can cause serious gastrointestinal (GI) adverse events including bleeding, ulceration, and perforation of the stomach, small intestine, or large intestine, which can be fatal. These serious adverse events can occur at any time, with or without warning symptoms, in patients treated with NSAIDs. Only one in five patients who develop a serious upper GI adverse event on NSAID therapy is symptomatic. Upper GI ulcers, gross bleeding, or perforation caused by NSAIDs occur in approximately 1% of patients treated for 3 to 6 months, and in about 2 to 4% of patients treated for one year. These trends continue with longer duration of use, increasing the likelihood of developing a serious GI event at some time during the course of therapy. However, even short-term therapy is not without risk.

Prescribe NSAIDs, including PENNSAID, with extreme caution in those with a prior history of ulcer disease or gastrointestinal bleeding. Patients with a prior history of peptic ulcer disease and/or gastrointestinal bleeding who use NSAIDs have a greater than 10-fold increased risk for developing a GI bleed compared to patients with neither of these risk factors. Other factors that increase the risk of GI bleeding in patients treated with NSAIDs include concomitant use of oral corticosteroids or anticoagulants, longer duration of NSAID therapy, smoking, use of alcohol, older age, and poor general health status. Most spontaneous reports of fatal GI events are in elderly or debilitated patients and therefore, use special care when treating this population.

To minimize the potential risk for an adverse GI event, use the lowest effective dose for the shortest possible duration. Remain alert for signs and symptoms of GI ulceration and bleeding during diclofenac therapy and promptly initiate additional evaluation and treatment if a serious GI adverse event is suspected. For high-risk patients, consider alternate therapies that do not involve NSAIDs.

5.3 Hepatic Effects


Borderline elevations (less than 3 times the upper limit of the normal [ULN] range) or greater elevations of transaminases occurred in about 15% of oral diclofenac-treated patients in clinical trials of indications other than acute pain. Of the markers of hepatic function, ALT (SGPT) is recommended for the monitoring of liver injury.

In clinical trials of an oral diclofenac-misoprostol combination product, meaningful elevations (i.e., more than 3 times the ULN) of AST (SGOT) occurred in about 2% of approximately 5,700 patients at some time during diclofenac treatment (ALT was not measured in all studies).

In an open-label, controlled trial of 3,700 patients treated for 2 to 6 months, patients with oral diclofenac were monitored first at 8 weeks and 1,200 patients were monitored again at 24 weeks. Meaningful elevations of ALT and/or AST occurred in about 4% of the 3,700 patients and included marked elevations (>8 times the ULN) in about 1% of the 3,700 patients. In this open-label study, a higher incidence of borderline (less than 3 times the ULN), moderate (3 to 8 times the ULN), and marked (>8 times the ULN) elevations of ALT or AST was observed in patients receiving diclofenac when compared to other NSAIDs. Elevations in transaminases were seen more frequently in patients with osteoarthritis than in those with rheumatoid arthritis. Almost all meaningful elevations in transaminases were detected before patients became symptomatic.

Abnormal tests occurred during the first 2 months of therapy with oral diclofenac in 42 of the 51 patients in all trials who developed marked transaminase elevations. In postmarketing reports, cases of drug-induced hepatotoxicity have been reported in the first month, and in some cases, the first 2 months of NSAID therapy.

Postmarketing surveillance has reported cases of severe hepatic reactions, including liver necrosis, jaundice, fulminant hepatitis with and without jaundice, and liver failure. Some of these reported cases resulted in fatalities or liver transplantation.

In a European retrospective population-based, case-controlled study, 10 cases of oral diclofenac associated drug-induced liver injury with current use compared with non-use of diclofenac were associated with a statistically significant 4-fold adjusted odds ratio of liver injury. In this particular study, based on an overall number of 10 cases of liver injury associated with diclofenac, the adjusted odds ratio increased further with female gender, doses of 150 mg or more, and duration of use for more then 90 days.

Measure transaminases (ALT and AST) periodically in patients receiving long-term therapy with diclofenac, because severe hepatotoxicity may develop without a prodrome of distinguishing symptoms. The optimum times for making the first and subsequent transaminase measurements are not known. Based on clinical trial data and postmarketing experiences, monitor transaminases within 4 to 8 weeks after initiating treatment with diclofenac. However, severe hepatic reactions can occur at any time during treatment with diclofenac. If abnormal liver tests persist or worsen, if clinical signs and/or symptoms consistent with liver disease develop, or if systemic manifestations occur (e.g., eosinophilia, rash, abdominal pain, diarrhea, dark urine, etc.), discontinue PENNSAID immediately.

To minimize the possibility that hepatic injury will become severe between transaminase measurements, inform patients of the warning signs and symptoms of hepatotoxicity (e.g., nausea, fatigue, lethargy, diarrhea, pruritus, jaundice, right upper quadrant tenderness, and "flulike" symptoms), and the appropriate action to take if these signs and symptoms appear.

To minimize the potential risk for an adverse liver-related event in patients treated with PENNSAID, use the lowest effective dose for the shortest duration possible. Exercise caution when prescribing PENNSAID with concomitant drugs that are known to be potentially hepatotoxic (e.g., acetaminophen, certain antibiotics, antiepileptics). Caution patients to avoid taking unprescribed acetaminophen while using PENNSAID.

5.4 Hypertension


NSAIDs, including diclofenac, can lead to new onset or worsening of preexisting hypertension, either of which may contribute to the increased incidence of CV events. Use NSAIDs, including PENNSAID, with caution in patients with hypertension. Monitor blood pressure (BP) closely during the initiation of NSAID treatment and throughout the course of therapy.

Patients taking ACE-inhibitors, thiazides or loop diuretics may have impaired response to these therapies when taking NSAIDs.

5.5 Congestive Heart Failure and Edema


Fluid retention and edema have been observed in some patients treated with NSAIDs, including PENNSAID. Use PENNSAID with caution in patients with fluid retention or heart failure.

5.6 Renal Effects


Use caution when initiating treatment with PENNSAID in patients with considerable dehydration.

Long-term administration of NSAIDs has resulted in renal papillary necrosis and other renal injury. Renal toxicity has also been seen in patients in whom renal prostaglandins have a compensatory role in the maintenance of renal perfusion. In these patients, administration of an NSAID may cause a dose-dependent reduction in prostaglandin formation and, secondarily, in renal blood flow, which may precipitate overt renal decompensation. Patients at greatest risk of this reaction are those with impaired renal function, heart failure, liver dysfunction, those taking diuretics and ACE-inhibitors, and the elderly. Discontinuation of NSAID therapy is usually followed by recovery to the pretreatment state.

No information is available from controlled clinical studies regarding the use of PENNSAID in patients with advanced renal disease. Therefore, treatment with PENNSAID is not recommended in patients with advanced renal disease. If PENNSAID therapy is initiated, close monitoring of the patient's renal function is advisable.

5.7 Anaphylactoid Reactions


As with other NSAIDs, anaphylactoid reactions may occur in patients without prior exposure to PENNSAID. Do not prescribe PENNSAID to patients with the aspirin triad. This symptom complex typically occurs in asthmatic patients who experience rhinitis with or without nasal polyps, or who exhibit severe, potentially fatal bronchospasm after taking aspirin or other NSAIDs [see Contraindications (4) and Warnings and Precautions (5.10)]. Seek emergency help in cases where an anaphylactoid reaction occurs.

5.8 Skin Reactions


Do not apply PENNSAID to open skin wounds, infections, inflammations, or exfoliative dermatitis, as it may affect absorption and tolerability of the drug.

NSAIDs, including PENNSAID, can cause serious skin adverse events such as exfoliative dermatitis, Stevens-Johnson Syndrome (SJS), and toxic epidermal necrolysis (TEN), which can be fatal. These serious events may occur without warning. Inform patients about the signs and symptoms of serious skin manifestations, and discontinue use of the drug at the first appearance of skin rash or any other signs of hypersensitivity.

5.9 Pregnancy


PENNSAID should not be used by pregnant or nursing women or those intending to become pregnant.

5.10 Preexisting Asthma


Patients with asthma may have aspirin-sensitive asthma. The use of aspirin in patients with aspirin-sensitive asthma has been associated with severe bronchospasm, which can be fatal. Since cross-reactivity, including bronchospasm, between aspirin and other nonsteroidal anti-inflammatory drugs has been reported in such aspirin-sensitive patients, do not administer PENNSAID to patients with this form of aspirin sensitivity and use with caution in patients with preexisting asthma.

5.11 Sun Exposure


Instruct patients to avoid exposure to natural or artificial sunlight on treated knee(s) because studies in animals indicated topical diclofenac treatment resulted in an earlier onset of ultraviolet light-induced skin tumors. The potential effects of PENNSAID on skin response to ultraviolet damage in humans are not known.

5.12 Eye Exposure


Avoid contact of PENNSAID with eyes and mucosa. Advise patients that if eye contact occurs, immediately wash out the eye with water or saline and consult a physician if irritation persists for more than an hour.

5.13 Oral Nonsteroidal Anti-Inflammatory Drugs


Concomitant use of oral NSAIDs with PENNSAID resulted in a higher rate of rectal hemorrhage, more frequent abnormal creatinine, urea and hemoglobin. Therefore, do not use combination therapy with PENNSAID and an oral NSAID unless the benefit outweighs the risk and conduct periodic laboratory evaluations.

5.14 Corticosteroid Treatment


PENNSAID cannot be expected to substitute for corticosteroids or to treat corticosteroid insufficiency. Abrupt discontinuation of corticosteroids may lead to exacerbation of corticosteroid-response illness. For patients on prolonged corticosteroid therapy, taper slowly if a decision is made to discontinue corticosteroids.

5.15 Inflammation


The pharmacological activity of PENNSAID in reducing inflammation, and possibly fever, may diminish the utility of these diagnostic signs in detecting complications of presumed noninfectious, painful conditions.

5.16 Hematological Effects


The effects of PENNSAID on platelet function were studied in 10 healthy subjects administered 80 drops four times a day for 7 days. There was no significant change in platelet aggregation following one week of treatment [see Clinical Pharmacology (12.4)].

Anemia is sometimes seen in patients receiving NSAIDs. This may be due to fluid retention, occult or gross GI blood loss, or an incompletely described effect upon erythropoiesis. Check hemoglobin or hematocrit of patients on PENNSAID if they exhibit any signs or symptoms of anemia or blood loss.

NSAIDs inhibit platelet aggregation and have been shown to prolong bleeding time in some patients. Unlike aspirin, their effect on platelet function is quantitatively less, of shorter duration and reversible. Carefully monitor patients receiving PENNSAID who may be adversely affected by alterations in platelet function, such as those with coagulation disorders or patients receiving anticoagulants.

5.17 Monitoring


Because serious GI tract ulcerations and bleeding can occur without warning symptoms in patients taking NSAIDs, monitor patients for signs or symptoms of GI bleeding. Check CBC and a chemistry profile periodically in patients on long-term treatment with NSAIDs. Discontinue PENNSAID if abnormal liver tests or renal tests persist or worsen.

6. Adverse Reactions



The most common adverse events with PENNSAID are application site reactions. (6.1) To report SUSPECTED ADVERSE REACTIONS, contact Mallinckrodt Brand Pharmaceuticals, Inc. at 1-800-778-7898 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

6.1 Clinical Studies 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 described below reflect exposure to PENNSAID of 911 patients treated between 4 and 12 weeks (mean duration of 49 days) in seven Phase 3 controlled trials, as well as exposure of 793 patients treated in an open-label study, including 463 patients treated for at least 6 months, and 144 patients treated for at least 12 months. The population mean age was approximately 60 years, 89% of patients were Caucasians, 64% were females, and all patients had primary osteoarthritis. The most common adverse events with PENNSAID were application site skin reactions. These events were the most common reason for withdrawing from the studies.

Application site reactions:

In controlled trials, the most common treatment-related adverse events in patients receiving PENNSAID were application site skin reactions. Application site reactions were characterized by one or more of the following: dryness, erythema, induration, vesicles, paresthesia, pruritus, vasodilation, acne, and urticaria. The most frequent of these reactions were dry skin (32%), contact dermatitis characterized by skin erythema and induration (9%), contact dermatitis with vesicles (2%) and pruritus (4%). In one controlled trial, a higher rate of contact dermatitis with vesicles (4%) was observed after treatment of 152 subjects with the combination of PENNSAID and oral diclofenac. In the open label uncontrolled long-term safety study, contact dermatitis occurred in 13% and contact dermatitis with vesicles in 10% of patients, generally within the first 6 months of exposure, leading to a withdrawal rate for an application site event of 14%.

Adverse events common to the NSAID class:

In controlled trials, subjects treated with PENNSAID experienced some adverse events associated with the NSAID class more frequently than subjects using placebo (constipation, diarrhea, dyspepsia, nausea, flatulence, abdominal pain, edema; see Table 1). The combination of PENNSAID and oral diclofenac, compared to oral diclofenac alone, resulted in a higher rate of rectal hemorrhage (3% vs. less than 1%), and more frequent abnormal creatinine (12% vs. 7%), urea (20% vs. 12%), and hemoglobin (13% vs. 9%), but no difference in elevation of liver transaminases.

Table 1 uls all adverse reactions occurring in ≥1% of patients receiving PENNSAID, where the rate in the PENNSAID group exceeded placebo, from seven controlled studies conducted in patients with osteoarthritis. Since these trials were of different durations, these percentages do not capture cumulative rates of occurrence.
Table 1: Adverse Reactions occurring in ≥1% of patients treated with PENNSAID® in placebo and oral diclofenac-controlled trials.
†Preferred Term according to COSTART
Treatment Group: PENNSAID® N=911 Topical PlaceboN=332
Adverse Reaction† N (%) N (%)
Dry Skin (Application Site) 292 (32) 17 (5)
Contact Dermatitis (Application Site) 83 (9) 6 (2)
Dyspepsia 72 (8) 13 (4)
Abdominal Pain 54 (6) 10 (3)
Flatulence 35 (4) 1 (<1)
Pruritus (Application Site) 34 (4) 7 (2)
Diarrhea 33 (4) 7 (2)
Nausea 33 (4) 3 (1)
Pharyngitis 40 (4) 13 (4)
Constipation 29 (3) 1 (<1)
Edema 26 (3) 0
Rash (Non-Application Site) 25 (3) 5 (2)
Infection 25 (3) 8 (2)
Ecchymosis 19 (2) 1 (<1)
Dry Skin (Non-Application Site) 19 (2) 1 (<1)
Contact Dermatitis, vesicles (Application Site) 18 (2) 0
Paresthesia (Non-Application Site) 14 (2) 3 (<1)
Accidental Injury 22 (2) 7 (2)
Pruritus (Non-Application Site) 15 (2) 2 (<1)
Sinusitis 10 (1) 2 (<1)
Halitosis 11 (1) 1 (<1)
Application Site Reaction (not otherwise specified) 11 (1) 3 (<1)

6.2 Postmarketing Experience


In non-US postmarketing surveillance, the following adverse reactions have been reported during post-approval use of PENNSAID. 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. Body as a Whole: abdominal pain, accidental injury, allergic reaction, asthenia, back pain, body odor, chest pain, edema, face edema, halitosis, headache, lack of drug effect, neck rigidity, pain

Cardiovascular: palpitation, cardiovascular disorder

Digestive: diarrhea, dry mouth, dyspepsia, gastroenteritis, decreased appetite, mouth ulceration, nausea, rectal hemorrhage, ulcerative stomatitis

Metabolic and Nutritional: creatinine increased

Musculoskeletal: leg cramps, myalgia

Nervous: depression, dizziness, drowsiness, lethargy, paresthesia, paresthesia at application site

Respiratory: asthma, dyspnea, laryngismus, laryngitis, pharyngitis

Skin and Appendages: At the Application Site: contact dermatitis, contact dermatitis with vesicles, dry skin, pruritus, rash; Other Skin and Appendages Adverse Reactions: eczema, rash, pruritus, skin discoloration, urticaria

Special Senses: abnormal vision, blurred vision, cataract, ear pain, eye disorder, eye pain, taste perversion

7. Drug Interactions


Drug interactions with the use of PENNSAID have not been studied. The following drug interactions [sections 7.1 to 7.7] are noted for oral diclofenac sodium.

  • Concomitant administration of diclofenac and aspirin is not generally recommended because of the potential of increased adverse effects including increased GI bleeding. (7.1)
  • Concomitant use of anticoagulants and diclofenac have a risk of serious GI bleeding higher than users of either drug alone. (7.2)

7.1 Aspirin


When diclofenac is administered with aspirin, the binding of diclofenac to protein is reduced, although the clearance of free diclofenac is not altered. The clinical significance of this interaction is not known; however, as with other NSAIDs, concomitant administration of diclofenac and aspirin is not generally recommended because of the potential of increased adverse effects.

7.2 Anticoagulants


The effects of anticoagulants such as warfarin and NSAIDs on GI bleeding are synergistic, such that users of both drugs together have a risk of serious GI bleeding higher than users of either drug alone.

7.3 ACE-Inhibitors


NSAIDs may diminish the antihypertensive effect of angiotensin converting enzyme (ACE) inhibitors. Consider this interaction in patients taking NSAIDs concomitantly with ACE-inhibitors.

7.4 Diuretics


Clinical studies, as well as postmarketing observations, have shown that NSAIDs can reduce the natriuretic effect of furosemide and thiazides in some patients. The response has been attributed to inhibition of renal prostaglandin synthesis. During concomitant therapy with NSAIDs, observe the patient closely for signs of renal failure [see Warnings and Precautions (5.6)], as well as to assure diuretic efficacy.

7.5 Lithium


NSAIDs have produced an elevation of plasma lithium levels and a reduction in renal lithium clearance. The mean minimum lithium concentration increased 15% and the renal clearance was decreased by approximately 20%. These effects have been attributed to inhibition of renal prostaglandin synthesis by the NSAID. Thus, when NSAIDs, including diclofenac, and lithium are administered concurrently, observe patients carefully for signs of lithium toxicity.

7.6 Methotrexate


NSAIDs have been reported to competitively inhibit methotrexate accumulation in rabbit kidney slices. This may indicate that they could enhance the toxicity of methotrexate. Use caution when NSAIDs, including diclofenac, are administered concomitantly with methotrexate.

7.7 Cyclosporine


Diclofenac, like other NSAIDs, may affect renal prostaglandins and increase the toxicity of certain drugs. Therefore, concomitant therapy with diclofenac may increase cyclosporine’s nephrotoxicity. Use caution when diclofenac is administered concomitantly with cyclosporine.

7.8 Oral Nonsteroidal Anti-Inflammatory Drugs


Concomitant use of oral NSAIDs with PENNSAID has been evaluated in one Phase 3 controlled trial and in combination with oral diclofenac, compared to oral diclofenac alone, resulted in a higher rate of rectal hemorrhage (3% vs. less than 1%), and more frequent abnormal creatinine (12% vs. 7%), urea (20% vs. 12%) and hemoglobin (13% vs. 9%). Therefore, do not use combination therapy with PENNSAID and an oral NSAID unless the benefit outweighs the risk and conduct periodic laboratory evaluations.

7.9 Topical Treatments


Instruct patients that before applying sunscreen, insect repellant, lotion, moisturizer, cosmetics, or other topical medication to the same skin surface of the knee treated with PENNSAID, they must wait until the treated area is completely dry.

8. Use In Specific Populations


  • Pregnancy: Not recommended for use during pregnancy. (8.1)
  • Nursing Mothers: Use with caution, as it is not known if diclofenac is excreted in human milk. (8.3)

8.1 Pregnancy


Pregnancy Category C prior to 30 weeks gestation; Category D starting 30 weeks gestation. Teratogenic Effects:

There are no adequate and well-controlled studies of PENNSAID in pregnant women. PENNSAID should not be used by pregnant women as its safe use has not been adequately determined and starting at 30 weeks gestation, diclofenac and other NSAIDs should be avoided by pregnant women as premature closure of the ductus arteriosus in the fetus may occur. Developmental studies in animals demonstrated that diclofenac sodium administration did not produce teratogenicity despite the induction of maternal toxicity and fetal toxicity in mice at doses up to 20 mg/kg/day (0.6-fold the maximum recommended human dose [MRHD] of 154 mg/day based on body surface area comparison), and in rats and rabbits at doses up to 10 mg/kg/day (approximately 0.6-fold and 1.3-fold the MRHD, respectively). Published reproductive and developmental studies of dimethyl sulfoxide (DMSO, the solvent used in PENNSAID) are equivocal as to potential teratogenicity.

Nonteratogenic Effects:

In rats, maternally toxic doses of diclofenac were associated with dystocia, prolonged gestation, reduced fetal weights and growth, and reduced fetal survival.

8.2 Labor and Delivery


The effects of PENNSAID on labor and delivery in pregnant women are unknown. In rat studies maternal exposure to diclofenac, as with other NSAID drugs, known to inhibit prostaglandin synthesis, increased the incidence of dystocia, delayed parturition, and decreased offspring survival.

8.3 Nursing Mothers


It is not known whether this drug is excreted in human milk; however, there is a case report in the literature indicating that diclofenac can be detected at low levels in breast milk. Because many drugs are excreted in human milk and because of the potential for serious adverse reactions in nursing infants from PENNSAID, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.

8.4 Pediatric Use


Safety and effectiveness in pediatric patients have not been established.

8.5 Geriatric Use


Of the 911 patients treated with PENNSAID in seven controlled, Phase 3 clinical trials, 444 subjects were 65 years of age and over. There was no age-related difference in the incidence of adverse events. Of the 793 patients treated with PENNSAID in one open-labeled safety trial, 334 subjects were 65 years of age and over including 107 subjects 75 and over. There was no difference in the incidence of adverse events with long-term exposure to PENNSAID for this elderly population. As with any NSAID, use caution in treating the elderly (65 years and older) and it may be useful to monitor renal function since they are more likely to have decreased baseline renal function.

10. Overdosage


There have been no known experiences of overdose with PENNSAID.

Symptoms following acute NSAID overdose are usually limited to lethargy, drowsiness, nausea, vomiting, and epigastric pain, which are generally reversible with supportive care. Gastrointestinal bleeding can occur. Hypertension, acute renal failure, respiratory depression and coma may occur, but are rare. Anaphylactoid reactions have been reported with therapeutic ingestion of NSAIDs, and may occur following an overdose.

Manage patients using symptomatic and supportive care following an NSAID overdose. There are no specific antidotes. Emesis is not recommended due to a possibility of aspiration and subsequent respiratory irritation by DMSO contained in PENNSAID. Activated charcoal (60 to 100 g in adults, 1 to 2 g/kg in children) and/or osmotic cathartic may be indicated in patients seen within 4 hours of ingestion with symptoms or following a large overdose (5 to 10 times the usual dose). Forced diuresis, alkalinization of urine, hemodialysis, or hemoperfusion may not be useful due to high protein binding.

For additional information about overdose treatment, call a poison control center (1-800-222-1222).

11. Description


PENNSAID is a clear, colorless to faintly pink-orange solution for topical application.

PENNSAID contains 1.5% w/w diclofenac sodium, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug (NSAID), designated chemically as 2-[(2,6-dichlorophenyl)amino]-benzeneacetic acid, monosodium salt. The molecular weight is 318.14. Its molecular formula is C14H10Cl2NNaO2 and it has the following structural formula:

Each 1 mL of solution contains 16.05 mg of diclofenac sodium. In addition, PENNSAID contains the following inactive ingredients: dimethyl sulfoxide USP (DMSO, 45.5% w/w), propylene glycol, alcohol, glycerin and purified water.

12. Clinical Pharmacology


12.1 Mechanism of Action


The mechanism of action of diclofenac is similar to that of other nonsteroidal anti-inflammatory drugs. Diclofenac inhibits the enzyme, cyclooxygenase (COX), an early component of the arachidonic acid cascade, resulting in the reduced formation of prostaglandins, thromboxanes and prostacylin. It is not completely understood how reduced synthesis of these compounds results in therapeutic efficacy.

12.2 Pharmacodynamics


Diclofenac, the active component of PENNSAID has anti-inflammatory, anti-nociception, and antipyretic effects.

12.3 Pharmacokinetics


After topical administration to healthy human volunteers of single and multiple maximum doses of PENNSAID, 40 drops (approximately 1.2 mL) to each knee (80 drops total dose), the following diclofenac pharmacokinetic parameters were obtained: (see Table 2).
Table 2: Single-Dose (80 drops) and Multiple Dose (80 drops four times daily for 7 days) PENNSAID Pharmacokinetic Parameters
1Apparent total body clearance
Pharmacokinetic Parameters Diclofenac sodium
Normal Adults [N=18](Age: 18-55 years) Normal Adults [N=19](Age: 18-55 years)
Single Dose Multiple Dose Four times daily for 7 days
AUC0-t 177.5 ± 72.6 ng.h/mL 695.4 ± 348.9 ng.h/mL
AUC0-inf 196.3 ± 68.5 ng.h/mL 745.2 ± 374.7 ng.h/mL
Plasma Cmax 8.1 ± 5.9 ng/mL 19.4 ± 9.3 ng/mL
Plasma Tmax (h) 11.0 ± 6.4 4.0 ± 6.5
Plasma t1/2 (h) 36.7 ± 20.8 79.0 ± 38.1
Kel (h-1) 0.024 ± 0.010 0.011 ± 0.004
CL/F (L/h) 244.7 ± 84.71 --

Absorption Diclofenac systemic exposure from PENNSAID application (4 times daily for 1 week) was approximately 1/3 of the diclofenac systemic exposure from the Solaraze (diclofenac topical gel) application (twice daily for 4 weeks). Distribution Diclofenac is more than 99% bound to human serum proteins, primarily to albumin. Diclofenac diffuses into and out of the synovial fluid. Diffusion into the joint occurs when plasma levels are higher than those in the synovial fluid, after which the process reverses and synovial fluid levels are higher than plasma levels. It is not known whether diffusion into the joint plays a role in the effectiveness of diclofenac. Metabolism Five diclofenac metabolites have been identified in human plasma and urine. The metabolites include 4'-hydroxy-, 5-hydroxy-, 3'-hydroxy-, 4',5-dihydroxy- and 3'-hydroxy-4'-methoxy diclofenac. The major diclofenac metabolite, 4'-hydroxy-diclofenac, has very weak pharmacologic activity. The formation of 4'-hydroxy diclofenac is primarily mediated by CPY2C9. Both diclofenac and its oxidative metabolites undergo glucuronidation or sulfation followed by biliary excretion. Acylglucuronidation mediated by UGT2B7 and oxidation mediated by CPY2C8 may also play a role in diclofenac metabolism. CYP3A4 is responsible for the formation of minor metabolites, 5-hydroxy and 3'-hydroxy-diclofenac. Excretion Diclofenac is eliminated through metabolism and subsequent urinary and biliary excretion of the glucuronide and the sulfate conjugates of the metabolites. Little or no free unchanged diclofenac is excreted in the urine. Special Populations Pediatric: The pharmacokinetics of PENNSAID has not been investigated in pediatric patients. Race: Pharmacokinetic differences due to race have not been studied.

12.4 Platelets


The effect of PENNSAID on platelet function was evaluated in 10 healthy human volunteers as a sub-study of a multiple-dose pharmacokinetic study [see Pharmacokinetics (12.3)]. Average (range) platelet aggregation time following stimulation with adenosine diphosphate, collagen, epinephrine and arachidonic acid was 101.3% (73.3 to 128.1), 99.8% (69.6 to 112.9), 109.9% (66.2 to 178.1) and 99.0% (15.5 to 126.6) of baseline value, respectively. These results indicate that there was no effect on platelet aggregation after application of the maximum clinical dose for 7 days [see Pharmacokinetics (12.3)].

13. Nonclinical Toxicology


13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility


Carcinogenicity studies in mice and rats administered diclofenac sodium as a dietary constituent for 2 years resulted in no significant increases in tumor incidence at doses up to 2 mg/kg/day corresponding to approximately 0.35- and 0.7-fold (mouse and rat, respectively) of the maximum recommended human topical dose (MRHD) of PENNSAID (based on apparent bioavailability and body surface area comparison).

In a dermal carcinogenicity study conducted in albino mice, daily topical applications of diclofenac sodium for two years at concentrations up to 0.035% diclofenac sodium (a 43-fold lower diclofenac sodium concentration than present in PENNSAID) did not increase neoplasm incidence.

In a photococarcinogenicity study conducted in hairless mice, topical application of diclofenac sodium at doses up to 0.035% diclofenac sodium (a 43-fold lower diclofenac sodium concentration than present in PENNSAID) resulted in an earlier median time of onset of tumors.

Mutagenesis: Diclofenac was not mutagenic or clastogenic in a battery of genotoxicity tests that included the bacterial reverse mutation assay, in vitro mouse lymphoma point mutation assay, chromosomal aberration studies in Chinese hamster ovarian cells in vitro, and in vivo rat chromosomal aberration assay of bone marrow cells.

Impairment of Fertility: Fertility studies have not been conducted with PENNSAID. Diclofenac sodium administered to male and female rats at doses up to 4 mg/kg/day (1.4-fold of the MRHD of PENNSAID based on apparent bioavailability and body surface area comparison) did not affect fertility. Studies have not been conducted to determine the safety of DMSO on fertility.

13.2 Animal Toxicology and/or Pharmacology


Ocular Effects

No adverse effects were observed using indirect ophthalmoscopy after multiple-daily dermal application to rats for 26 weeks and minipigs for 52 weeks of DMSO at twice the concentration found in PENNSAID. Published studies of dermal or oral administration of DMSO to rabbits, dogs and pigs described refractive changes of lens curvature and cortical fibers indicative of myopic changes and/or incidences of lens opacity or discoloration when evaluated using slit-lamp biomicroscopy examination, although no ocular abnormalities were observed in rhesus monkeys during daily oral or dermal treatment with DMSO for 9 to 18 months.

14. Clinical Studies


14.1 Pivotal Studies in Osteoarthritis of the Knee


The use of PENNSAID for the treatment of the signs and symptoms of osteoarthritis of the knee was evaluated in two double-blind controlled trials conducted in the US and Canada, involving patients treated with PENNSAID at a dose of 40 drops four times a day for 12 weeks. PENNSAID was compared to topical placebo (2.3% DMSO with other excipients) and/or topical vehicle solution (45.5% w/w DMSO with other excipients), applied directly to the study knee. In both trials, PENNSAID treatment resulted in statistically significant clinical improvement compared to placebo and/or vehicle, in all three primary efficacy variables―pain, physical function (Western Ontario and McMaster Universities LK3.1 OA Index (WOMAC) pain and physical function dimensions) and Patient Overall Health Assessment (POHA)/Patient Global Assessment (PGA). Numerical results are summarized in Tables 3 and 4.
Table 3: Change in treatment outcomes after 12 weeks of treatment in one study of efficacy of PENNSAID®
1placebo formulation included 2.3% DMSO 2vehicle formulation included 45.5% DMSO
Efficacy Variable Study IMean baseline score and mean change in efficacy variables after 12 weeks of treatment
Mean Baseline score PENNSAID® N=154 Topical placebo1 N=155 Topical vehicle2 N=161
WOMAC pain score (Likert 3.1, 0–20) 13 -6.0 -4.7 -4.7
WOMAC physical function (Likert 3.1, 0–68) 42 -15.7 -12.3 -12.1
POHA (0–4) 2.3 -1.0 -0.4 -0.6
Table 4: Change in treatment outcomes after 12 weeks of treatment in one study of efficacy of PENNSAID
1vehicle formulation included 45.5% DMSO
Efficacy Variable Study IIMean baseline score and mean change in efficacy variables after 12 weeks of treatment
Mean Baseline score PENNSAIDN=164 Topical vehicle1 N=162
WOMAC pain score (Likert 3.1, 0–20) 13 -5.9 -4.4
WOMAC physical function (Likert 3.1, 0–68) 42 -15.3 -10.3
PGA (0–4) 3.1 -1.3 -1.0

16. How Supplied/storage And Handling


PENNSAID is supplied as a clear, colorless to faintly pink-orange solution containing 16.05 mg of diclofenac sodium per mL of solution, in a white high density polyethylene bottle with a white low-density dropper cap.

NDC Number & Size
15 mL bottle (physician sample) NDC # 23635-310-11
150 mL bottle NDC # 23635-310-15

Storage Store at 25°C (77°F); excursions permitted to 15° to 30°C (59° to 86°F) [See USP Controlled Room Temperature].

17. Patient Counseling Information


See FDA-Approved Medication Guide (17.10) for specific patient instructions.

17.1 Patient/Caregiver Instructions


Inform patients of the following information before initiating therapy with an NSAID and periodically during the course of ongoing therapy. Encourage patients to read the NSAID Medication Guide that accompanies each prescription dispensed prior to using PENNSAID [see Medication Guide (17.10) and Patient Instructions for Use (17.11)].

17.2 Cardiovascular Effects


PENNSAID, like other NSAIDs, may cause serious CV side effects, such as MI or stroke, which may result in hospitalization and even death. Although serious CV events can occur without warning symptoms, instruct patients to be alert for the signs and symptoms of chest pain, shortness of breath, weakness, slurring of speech, and to ask for medical advice when observing any indicative sign or symptoms. Inform patients of the importance of this follow-up [see Warnings and Precautions (5.1)].

17.3 Gastrointestinal Effects


PENNSAID, like other NSAIDs, may cause GI discomfort and, rarely, serious GI side effects, such as ulcers and bleeding, which may result in hospitalization and even death. Although serious GI tract ulcerations and bleeding can occur without warning symptoms, inform patients to be alert for the signs and symptoms of ulceration and bleeding, and to ask for medical advice when observing any indicative sign or symptoms including epigastric pain, dyspepsia, melena, and hematemesis. Instruct patients of the importance of this follow-up [see Warnings and Precautions (5.2)].

17.4 Hepatotoxicity


Inform patients of the warning signs and symptoms of hepatotoxicity (e.g., nausea, fatigue, lethargy, pruritus, jaundice, right upper quadrant tenderness, and “flu-like” symptoms). If these occur, instruct patients to stop therapy with PENNSAID and seek immediate medical therapy [see Warnings and Precautions (5.3)].

17.5 Adverse Skin Reactions


PENNSAID, like other NSAIDs, can cause serious systemic skin side effects such as exfoliative dermatitis, SJS, and TEN, which may result in hospitalizations and even death. Although serious systemic skin reactions may occur without warning, instruct patients to be alert for the signs and symptoms of skin rash and bulers, fever, or other signs of hypersensitivity such as itching, and to ask for medical advice when observing any indicative signs or symptoms [see Warnings and Precautions (5.8)].

Advise patients to stop PENNSAID immediately if they develop any type of generalized rash and contact their physicians as soon as possible.

PENNSAID can cause a localized skin reaction at the application site. Advise patients to contact their physicians as soon as possible if they develop any type of localized application site rash.

Instruct patients not to apply PENNSAID to open skin wounds, infections, inflammations, or exfoliative dermatitis, as it may affect absorption and reduce tolerability of the drug.

Instruct patients to wait until the area treated with PENNSAID is completely dry before applying sunscreen, insect repellant, lotion, moisturizer, cosmetics, or other topical medication.

Instruct patients to minimize or avoid exposure of treated knee(s) to natural or artificial sunlight.

17.6 Weight Gain and Edema


Instruct patients to promptly report to their physician signs or symptoms of unexplained weight gain or edema following treatment with PENNSAID [see Warnings and Precautions (5.5)].

17.7 Anaphylactoid Reactions


Inform patients of the signs of an anaphylactoid reaction (e.g., difficulty breathing, swelling of the face or throat). If these occur, instruct patients to seek immediate emergency help [see Warnings and Precautions (5.7)].

17.8 Effects During Pregnancy


Instruct patients who are pregnant or intending to become pregnant not to use PENNSAID [see Use in Specific Populations (8.1) and Impairment of Fertility (13.1)].

17.9 Eye Exposure


Instruct patients to avoid contact of PENNSAID with the eyes and mucosa. Advise patients that if eye contact occurs, immediately wash out the eye with water or saline and consult a physician if irritation persists for more than an hour.

17.10 Medication Guide


Medication Guide For Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)

(See the end of this Medication Guide for a ul of prescription NSAID medicines.)

What is the most important information I should know about medicines called Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)?

NSAID medicines may increase the chance of a heart attack or stroke that can lead to death. This chance increases:
  • with longer use of NSAID medicines
  • in people who have heart disease

NSAID medicines should never be used right before or after a heart surgery called a “coronary artery bypass graft (CABG).”

NSAID medicines can cause ulcers and bleeding in the stomach and intestines at any time during treatment. Ulcers and bleeding:
  • can happen without warning symptoms
  • may cause death

The chance of a person getting an ulcer or bleeding increases with:
  • taking medicines called “corticosteroids” and “anticoagulants”
  • longer use
  • smoking
  • drinking alcohol
  • older age
  • having poor health

NSAID medicines should only be used:
  • exactly as prescribed
  • at the lowest dose possible for your treatment
  • for the shortest time needed

What are Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)?

NSAID medicines are used to treat pain and redness, swelling, and heat (inflammation) from medical conditions such as:
  • different types of arthritis
  • menstrual cramps and other types of short-term pain

Who should not take a Non-Steroidal Anti-Inflammatory Drug (NSAID)?

Do not take an NSAID medicine:
  • if you had an asthma attack, hives, or other allergic reaction with aspirin or any other NSAID medicine
  • for pain right before or after heart bypass surgery

Tell your healthcare provider:
  • about all of your medical conditions.
  • about all of the medicines you take. NSAIDs and some other medicines can interact with each other and cause serious side effects. Keep a ul of your medicines to show to your healthcare provider and pharmacist.
  • if you are pregnant. NSAID medicines should not be used by pregnant women late in their pregnancy.
  • if you are breastfeeding. Talk to your doctor.

What are the possible side effects of Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)?
Serious side effects include:
  • heart attack
  • stroke
  • high blood pressure
  • heart failure from body swelling (fluid retention)
  • kidney problems including kidney failure
  • bleeding and ulcers in the stomach and intestine
  • low red blood cells (anemia)
  • life-threatening skin reactions
  • life-threatening allergic reactions
  • liver problems including liver failure
  • asthma attacks in people who have asthma
 Other side effects include:
  • stomach pain
  • constipation
  • diarrhea
  • gas
  • heartburn
  • nausea
  • vomiting
  • dizziness

Get emergency help right away if you have any of the following symptoms:
  • shortness of breath or trouble breathing
  • chest pain
  • slurred speech
  • weakness in one part or side of your body
  • swelling of the face or throat

Stop your NSAID medicine and call your healthcare provider right away if you have any of the following symptoms:
  • nausea
  • more tired or weaker than usual
  • itching
  • your skin or eyes look yellow
  • stomach pain
  • flu-like symptoms
  • vomit blood
  • there is blood in your bowel movement or it is black and sticky like tar
  • unusual weight gain
  • skin rash or bulers with fever
  • swelling of the arms and legs, hands and feet

These are not all the side effects with NSAID medicines. Talk to your healthcare provider or pharmacist for more information about NSAID medicines.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Other information about Non-Steroidal Anti-Inflammatory Drugs (NSAIDs):
  • Aspirin is an NSAID medicine but it does not increase the chance of a heart attack. Aspirin can cause bleeding in the brain, stomach, and intestines. Aspirin can also cause ulcers in the stomach and intestines.
  • Some of these NSAID medicines are sold in lower doses without a prescription (over-the-counter). Talk to your healthcare provider before using over-the-counter NSAIDs for more than 10 days.

NSAID medicines that need a prescription
*Vicoprofen contains the same dose of ibuprofen as over-the-counter (OTC) NSAID, and is usually used for less than 10 days to treat pain. The OTC NSAID label warns that long term continuous use may increase the risk of heart attack or stroke.
Generic Name Tradename
Celecoxib Celebrex®
Diclofenac Flector, Cataflam®, Voltaren®, Arthrotec™ (combined with misoprostol), PENNSAID®
Diflunisal Dolobid®
Etodolac Lodine®, Lodine®XL
Fenoprofen Nalfon®, Nalfon®200
Flurbirofen Ansaid®
Ibuprofen Motrin®, Tab- Profen®, Vicoprofen®* (combined with hydrocodone), Combunox™ (combined with oxycodone)
Indomethacin Indocin®, Indocin®SR, Indo-Lemmon™, Indomethagan™
Ketoprofen Oruvail®
Ketorolac Toradol®
Mefenamic Acid Ponstel®
Meloxicam Mobic®
Nabumetone Relafen®
Naproxen Naprosyn®, Anaprox®, Anaprox®DS, EC-Naproxyn®, Naprelan®, Naprapac® (copackaged with lansoprazole)
Oxaprozin Daypro®
Piroxicam Feldene®
Sulindac Clinoril®
Tolmetin Tolectin®, Tolectin DS®, Tolectin®600

This Medication Guide has been approved by the U.S. Food and Drug Administration.

17.11 Patient Instructions For Use


Patient Instructions for UsePENNSAID [pen/sed](diclofenac sodium topical solution)

Your doctor has prescribed PENNSAID® to treat your pain from osteoarthritis in your knee(s) and help you manage your daily activities better.

Before you use PENNSAID®:
  • Apply PENNSAID® exactly as your doctor tells you. Do not apply PENNSAID® anywhere on your body other than where your doctor tells you.
  • Apply PENNSAID® on clean, dry skin that does not have any cuts, infections or rashes.
  • Use PENNSAID® 4 times each day on your knee(s).
  • Do not get PENNSAID® in your eyes, nose or mouth. Only use PENNSAID® on your skin (topical use). If you get PENNSAID® in your eyes, rinse your eyes right away with water or saline. Call your doctor if your eyes are irritated for more than one hour.

Steps for using PENNSAID®:

Step 1. Wash your hands with soap and water before and after applying PENNSAID®. Step 2. Your total dose for each knee is 40 drops of PENNSAID®. You will use 10 drops at a time. Put 10 drops of PENNSAID® either on your hand or directly on your knee. Figure 1. Dispense 10 drops of PENNSAID® at a time

Step 3. Spread PENNSAID® evenly on the front, back and sides of your knee. Repeat this step 4 times so that your knee is completely covered with a total of 40 drops of PENNSAID®. Figure 2. Spread PENNSAID® evenly on the front, and sides of your knee Figure 3. Spread PENNSAID® evenly on the back of your knee

Step 4. Repeat steps 2 and 3 for the other knee if needed.

After you use PENNSAID®:Do not
  • cover your knee with clothing until your knee is completely dry
  • put sunscreen, insect repellant, lotion, moisturizer, cosmetics, or other topical medicines on your knee until it is completely dry
  • take a shower or a bath for at least 30 minutes after you put PENNSAID® on your knee(s)
  • use heating pads or apply bandages to the skin where you have applied PENNSAID®
  • expose your skin to sunlight or artificial light (tanning booths) where you have put PENNSAID®

How should I store PENNSAID®?
  • Store PENNSAID® between 59°F to 86°F (15°C to 30°C).

Keep PENNSAID® and all medicines out of the reach of children.

COVIDIEN, COVIDIEN with logo and Covidien logo are U.S. and/or internationally registered trademarks of Covidien AG. PENNSAID is a trademark of Nuvo Research Inc. Other brands are trademarks of their respective owners.

Distributed by: Mallinckrodt Brand Pharmaceuticals, Inc. Hazelwood, MO 63042 USA

Manufactured by: Nuvo Manufacturing Varennes, Quebec, J3X 1P7 Canada Issued 01/2010 E0073-01 Mallinckrodt COVIDIEN™

Package Label


PENNSAID LABEL IMAGE



DISCLAIMER:

"This tool does not provide medical advice, and is for informational and educational purposes only, and is not a substitute for professional medical advice, treatment or diagnosis. Call your doctor to receive medical advice. If you think you may have a medical emergency, please dial 911."

"Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service."

"This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product."

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