Do not exceed the recommended max daily dose in case of insufficient therapeutic effect. Not appropriate for the treatment of patients requiring relief from acute pain. Seek for any history of oesophagitis, gastritis &/or peptic ulcer to ensure their total cure before starting treatment. Associated w/ serious liver injury in rare cases. Increased risk of serious GI adverse events, including bleeding, ulceration, & perforation of the stomach or intestines; serious CV thrombotic events, MI, & stroke. Reports of fluid retention & oedema. Only treat patients w/ uncontrolled HTN, CHF, established ischaemic heart disease, peripheral arterial disease, &/or cerebrovascular disease after careful consideration. Renal papillary necrosis & other renal injury during long-term administration. Renal toxicity in patients in whom renal prostaglandins have a compensatory role in the maintenance of renal perfusion. Not recommended in patients w/ advanced renal disease. Very rare reports of serious skin reactions (some fatal), including exfoliative dermatitis, SJS & TEN. Discontinue treatment at the 1st appearance of skin rash, mucosal lesions, or any other sign of hypersensitivity. Reports of occasional increases in serum transaminase levels, serum bilirubin or other liver function parameters, serum creatinine & BUN, as well as other lab disturbances. May induce functional renal failure. Careful monitoring of diuresis & renal function is recommended at the beginning of treatment or after dose increase in patients w/ the following risk factors: elderly; concomitant treatments (eg, ACE inhibitors, AIIA, diuretics); hypovolemia; CHF; renal failure; nephrotic syndrome; lupus nephropathy; severe hepatic impairment (serum albumin <25 g/L or Child-Pugh score 10). May cause interstitial nephritis, glomerulonephritis, renal medullary necrosis or nephrotic syndrome in rare instances. Induction of Na, K & water retention; interference w/ natriuretic effects of diuretics; decreased antihypertensive effect of antihypertensive drugs. Regular monitoring of K values. May mask symptoms of underlying infectious disease. Avoid use w/ concomitant NSAIDs, including COX-2 selective inhibitors. May impair fertility. Not recommended in breastfeeding women & in women attempting to conceive. 1st & 2nd trimester of pregnancy. Elderly.