Nimesulida Labesfal (Nimesulide)

• Nimesulide is indicated for several painful and inflammatory conditions that involve prostaglandin‑mediated pathways.
• Acute pain: provides rapid analgesic relief for short‑term painful episodes.
• Dysmenorrhea: reduces menstrual cramping and associated discomfort.
• Osteoarthritis: alleviates joint pain and improves functional mobility.
• Rheumatoid arthritis: helps control inflammatory joint pain in chronic disease.
• Fever: lowers elevated body temperature in febrile states.
• Musculoskeletal pain: provides anti‑inflammatory and analgesic effect for soft‑tissue injuries.

• Nimesulide acts by reversibly inhibiting cyclooxygenase (COX) enzymes, with a preference for COX‑2 over COX‑1. This inhibition reduces the conversion of arachidonic acid to prostaglandins, thereby decreasing inflammation, pain signaling, and fever generation. The selective COX‑2 activity contributes to its analgesic and antipyretic properties while aiming to limit gastrointestinal toxicity associated with non‑selective NSAIDs.

Nimesulide may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects

• Gastrointestinal discomfort: nausea, dyspepsia or abdominal pain.
• Headache: mild to moderate intensity.
• Dizziness or vertigo.
• Skin rash or pruritus.
• Elevated liver enzymes: transient increase in transaminases.

Serious or Rare Side Effects

• Hepatotoxicity: potentially severe liver injury.
• Severe skin reactions: Stevens‑Johnson syndrome or toxic epidermal necrolysis.
• Gastrointestinal ulceration or bleeding.
• Renal impairment: acute kidney injury.
• Anaphylactic reaction: life‑threatening hypersensitivity.

• When prescribing Nimesulide, clinicians should observe several safety considerations to minimize risk.
• Assess liver function: obtain baseline hepatic enzymes before initiating therapy.
• Avoid in known hypersensitivity: discontinue if allergic reactions occur.
• Use with caution in renal impairment: adjust dose or monitor renal function closely.
• Limit use in elderly: increased susceptibility to gastrointestinal adverse events.
• Avoid concomitant use with other NSAIDs or anticoagulants: heightened bleeding risk.
• Store at ambient temperature: keep in original container, protect from moisture and heat.

Nimesulide can interact with other medicines, affecting efficacy or safety.

Major Interactions (Avoid)

• Anticoagulants (e.g., warfarin): increased risk of bleeding.
• Other NSAIDs: additive gastrointestinal toxicity.
• Corticosteroids: heightened ulcer and bleeding risk.

Moderate Interactions (Monitor Closely)

• Diuretics: possible reduction in renal clearance, monitor kidney function.
• ACE inhibitors or ARBs: may diminish antihypertensive effect.
• Lithium: elevated serum lithium levels, monitor concentrations.