Not for treatment of acute painful symptoms. Cardiac insufficiency; edema & water retention; impaired glucose tolerance. May cause allergic reactions due to sunset yellow (E110). Patients on controlled Na diet. Concomitant use w/ coumarin anticoagulants eg, warfarin; platelet anti-aggregant drugs eg, ASA, dipyridamole, clopidogrel, ditazole, triflusal, ticlopidine; tetracyclines. May affect ability to drive or use machines. Renal & severe hepatic insufficiency. Avoid use during pregnancy & lactation.