Discontinue use at 1st appearance of symptoms of serious skin adverse reactions eg, skin rashes, mucous membrane lesions & other sign of hypersensitivity; if renal function deteriorates; if any adverse reactions occur on digestive tract; if increases in transaminases, serum bilirubin, & conc of urea & creatinine in blood are significant or persist. Avoid use in case of varicella. Patients w/ HTN &/or heart failure; uncontrolled arterial HTN, CHF, CHD, cerebrovascular disorders, elevated risk factors for CV disease eg, HTN, hyperlipidemia, diabetes, smoking; suffering from or w/ previous history of bronchial asthma; who are prone to bleeding. Monitor renal functions in patients who undergo major surgery, w/ cardiac failure, receiving diuretics & drugs suspected to or known to be able to cause kidney damage. Careful clinical monitoring & regular lab assessments are recommended in patients w/ blood coagulation disorders &/or hepatic impairment. Regular lab assessments of Hb, creatinine & liver enzymes are recommended in long-term treatment (>3 mth). Concomitant use w/ drugs increasing risk of ulcers & bleeding; heparin; tacrolimus. Avoid concomitant use w/ NSAIDs including COX-2 selective inhibitors. Not to be used by patients w/ galactose intolerance, lactase deficiency, or impaired glucose-galactose absorption. Patients experiencing dizziness or other central nervous disturbances should refrain from driving or operating machinery. Patients w/ mild (serum creatinine 150-300 micromol/L) to moderate (serum creatinine 300-700 micromol/L) renal impairment. Can weaken fertility; not recommended in women attempting to conceive. Monitor renal & hepatic function in elderly >65 yr. Post-op elderly patients.