Diclofenac Sodium Extended-release

— THERAPEUTIC CATEGORIES —
  • Arthritis/rheumatic disorders

Diclofenac Sodium Extended-release Generic Name & Formulations

General Description

Diclofenac sodium 100mg; ext-rel tabs.

Pharmacological Class

NSAID (benzeneacetic acid deriv.).

How Supplied

Contact supplier

Diclofenac Sodium Extended-release Indications

Indications

Chronic therapy of osteoarthritis or rheumatoid arthritis.

Diclofenac Sodium Extended-release Dosage and Administration

Adult

Use lowest effective dose for shortest duration. Osteoarthritis: 100mg once daily. Rheumatoid arthritis: 100mg once daily; rarely 100mg twice daily may be used.

Children

Not established.

Diclofenac Sodium Extended-release Contraindications

Contraindications

Aspirin allergy. Coronary artery bypass graft surgery.

Diclofenac Sodium Extended-release Boxed Warnings

Boxed Warning

Risk of serious cardiovascular and gastrointestinal events.

Diclofenac Sodium Extended-release Warnings/Precautions

Warnings/Precautions

Increased risk of serious cardiovascular events (including MI, stroke). Avoid in recent MI, severe heart failure; if necessary, monitor. Increased risk of serious GI adverse events (including inflammation, bleeding, ulceration, perforation). History of ulcer disease and/or GI bleeding. Hypertension; monitor BP closely. Hepatic or renal impairment. Discontinue if signs/symptoms of liver disease develop, or if abnormal LFTs persist or worsen. Dehydration. Hypovolemia. Advanced renal disease: not recommended. Hyperkalemia. Coagulation disorders. Monitor CBCs, blood chemistry, hepatic, and renal function in long-term therapy. Pre-existing asthma. May mask signs of infection or fever. Discontinue at 1st sign of rash or any other hypersensitivity. Elderly. Debilitated. Labor & delivery. Pregnancy (≥30 weeks gestation; avoid). Nursing mothers.

Diclofenac Sodium Extended-release Pharmacokinetics

See Literature

Diclofenac Sodium Extended-release Interactions

Interactions

Avoid concomitant aspirin, salicylates (eg, diflunisal, salsalate) or other NSAIDs. Increased risk of GI bleed with anticoagulants, antiplatelets, oral corticosteroids, SSRIs, SNRIs, smoking, alcohol, or prolonged NSAID therapy; monitor. May antagonize, or increase risk of renal failure with diuretics (eg, loop or thiazides), ACE inhibitors, ARBs, or β-blockers; monitor closely. Potentiates digoxin; monitor levels. May potentiate lithium, methotrexate, cyclosporine; monitor for toxicity. Concomitant with pemetrexed may increase risk of pemetrexed-associated myelosuppression, renal, and GI toxicity. Potentiated by CYP2C9 inhibitors (eg, voriconazole) and antagonized by CYP2C9 inducers (eg, rifampin); may need dose adjustments. Caution with other hepatotoxic drugs (eg, acetaminophen, certain antibiotics, antiepileptics).

Diclofenac Sodium Extended-release Adverse Reactions

Adverse Reactions

GI upset, anemia, dizziness, edema, headache, pruritus, rash (may be serious), tinnitus; cardiovascular thrombotic events, GI ulcer/bleed, hepatotoxicity, renal toxicity, hypersensitivity reactions, anemia.

Diclofenac Sodium Extended-release Clinical Trials

See Literature

Diclofenac Sodium Extended-release Note

Notes

Formerly known under the brand name Voltaren-XR, Voltaren.

Diclofenac Sodium Extended-release Patient Counseling

See Literature