Allergic reactions, including anaphylactic/anaphylactoid reactions. Discontinue use at 1st appearance of skin rash, mucosal lesions or any other sign of hypersensitivity; if abnormal LFTs persist or worsen, clinical signs or symptoms consistent w/ liver disease develop or other manifestations occur. W/draw treatment if GI bleeding or ulceration occurs. Avoid use in case of varicella infection. May trigger an attack in patients w/ hepatic porphyria. May increase risk of aseptic meningitis in patients w/ SLE & mixed connective tissue disorders. May reversibly inhibit platelet aggregation. Patients suffering from or w/ previous history of bronchial asthma; CHF (NYHA I) & w/ significant risk factors for CV events eg, HTN, hyperlipidaemia, DM, smoking; history of cerebrovascular bleeding. Monitor renal function in patients at greatest risk of prostaglandin formation & precipitation of renal failure eg, those w/ renal & cardiac impairment, liver dysfunction, those taking diuretics & the elderly. Closely surveil patients w/ symptoms indicative of GI disorders, w/ history suggestive of GI ulceration, w/ ulcerative colitis or w/ Crohn's disease, bleeding diathesis or haematological abnormalities. Monitor renal & hepatic function & blood counts during long-term treatment. Avoid concomitant use w/ NSAIDs including COX-2 selective inhibitors. Concomitant use w/ medications which could increase risk of ulceration or bleeding eg, oral corticosteroids, anticoagulants (eg, warfarin), SSRIs or antiplatelets (eg, aspirin). Do not drive or operate machinery if dizziness, drowsiness, fatigue & visual disturbances occur. Mild to moderate renal & hepatic impairment. May impair female fertility & is not recommended in women attempting to conceive. Not to be given during 1st & 2nd trimesters of pregnancy. Avoid use during lactation. Not recommended in childn. Elderly.