• Nonnarcotic analgesics

Zipsor Generic Name & Formulations

General Description

Diclofenac potassium 25mg; liq-filled caps; contains gelatin.

Pharmacological Class

NSAID (benzeneacetic acid deriv.).

How Supplied

Caps—100, 120

Generic Availability


Zipsor Indications


Mild to moderate acute pain.

Zipsor Dosage and Administration


Use lowest effective dose for shortest duration. 25mg 4 times daily. Hepatic impairment: may require reduced doses.


<12yrs: not established.

Zipsor Contraindications


Aspirin allergy. Coronary artery bypass graft surgery. Bovine protein sensitivity.

Zipsor Boxed Warnings

Boxed Warning

Risk of serious cardiovascular and gastrointestinal events.

Zipsor Warnings/Precautions


Not interchangeable with other forms of diclofenac. Increased risk of serious cardiovascular events (including MI, stroke). Avoid in recent MI, severe heart failure, advanced renal disease; 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. Correct volume status prior to initiation. Dehydration. Hypovolemia. 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. May be associated with a reversible delay in ovulation in females of reproductive potential. Pregnancy (avoid during ≥30 weeks gestation): increased risk of premature closure of the fetal ductus arteriosus; (20–30 weeks gestation): may cause fetal renal dysfunction/oligohydramnios; if treatment needed, limit dose and duration of use. Nursing mothers.

Zipsor Pharmacokinetics

See Literature

Zipsor 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).

Zipsor Adverse Reactions

Adverse Reactions

GI upset, abdominal pain, constipation, dyspepsia, dizziness, headache, somnolence, pruritus, increased sweating; cardiovascular thrombotic events, GI ulcer/bleed, hepatotoxicity, renal toxicity, hypertension, hypersensitivity reactions, serious skin reactions (eg, Stevens-Johnson Syndrome, toxic epidermal necrolysis), Drug Reaction with Eosinophilia and Systemic Symptoms (discontinue if occurs), anemia.

Zipsor Clinical Trials

See Literature

Zipsor Note

Not Applicable

Zipsor Patient Counseling

See Literature