Dosing and Administration

WARNING: RISK OF SERIOUS CARDIOVASCULAR AND GASTROINTESTINAL EVENTS

NSAIDs, including CAMBIA, may increase the risk of serious cardiovascular (CV) thrombotic events, myocardial infarction, and stroke, which can be fatal. Risk may increase with duration of use or in patients with CV disease or risk factors for CV disease. CAMBIA is contraindicated for perioperative pain in coronary artery bypass graft surgery.

NSAIDs increase the risk of gastrointestinal (GI) 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.

Use the lowest effective dose for the shortest possible duration. Long-term administration of NSAIDs can result in serious and potentially fatal events, including CV thrombotic events or GI reactions.

CAMBIA is contraindicated in patients with hypersensitivity to diclofenac or other NSAIDs, and in patients with preexisting asthma, urticaria, or allergic-type reactions after taking aspirin or other NSAIDs. Severe, sometimes fatal, anaphylactic-like reactions have been reported in such patients. Anaphylactic reactions may also occur in patients with the aspirin triad or in patients without prior exposure to CAMBIA. CAMBIA is contraindicated in patients with the aspirin triad. Discontinue immediately if an anaphylactic reaction occurs.

Renal papillary necrosis and other renal injury may occur with long-term use of NSAIDs. Use CAMBIA with caution in patients at risk, including the elderly, those taking diuretics or ACE inhibitors, those with renal impairment, heart failure, or liver impairment. CAMBIA is not recommended in patients with advanced renal disease.

Use caution when prescribing CAMBIA with drugs known to be hepatotoxic (eg, acetaminophen, certain antibiotics, antiepileptics). Warn patients to avoid acetaminophen-containing products while taking CAMBIA. The liver metabolizes almost 100% of diclofenac, and there is insufficient information to support dosing recommendations in patients with hepatic insufficiency. Hepatic effects range from transaminase elevations to liver failure. Discontinue CAMBIA immediately if abnormal liver tests persist or worsen.

NSAIDs can lead to new onset or worsening of preexisting hypertension. Monitor blood pressure closely during therapy. Patients taking ACE inhibitors, thiazides, or loop diuretics may have impaired response to these therapies when taking NSAIDs. Note that fluid retention and edema have been observed in some patients taking NSAIDs. Use CAMBIA with caution in patients with fluid retention or heart failure.

Using CAMBIA with other NSAIDs (eg, aspirin) or with anticoagulants (eg, warfarin) is not advised due to increased risk of serious adverse events, such as GI bleeding. Use with caution in patients with a history of ulcers or GI bleeding. Anemia may occur in patients on NSAIDs. In patients on long-term therapy, check hemoglobin or hematocrit upon any sign or symptom of anemia or blood loss.

NSAIDs, including CAMBIA, can cause serious skin reactions including exfoliative dermatitis, Stevens-Johnson syndrome, and toxic epidermal necrolysis, which can be fatal. Discontinue use immediately if rash or other signs of local skin reaction occur.

CAMBIA can harm fetuses. Starting at 30 weeks’ gestation, pregnant women should avoid CAMBIA and other NSAIDs as premature closure of the ductus arteriosus in the fetus may occur. Use with caution in nursing mothers as it is not known if diclofenac is excreted in human milk.

The most common adverse events in clinical trials with CAMBIA were nausea and dizziness.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.

Please see Full Prescribing Information and Patient Medication Guide for additional information, including safety information.

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