Hypersensitivity to parecoxib or sulfonamides. History of previous serious allergic reaction of any type, especially cutaneous reactions eg, SJS, TEN, erythema multiforme. Active peptic ulceration or GI bleeding. Patients who have experienced bronchospasm, acute rhinitis, nasal polyps, bronchial asthma, angioneurotic edema, urticaria or other allergic-type reactions after taking aspirin or NSAIDs including other COX-2 inhibitors. Severe hepatic dysfunction (serum albumin <25 g/L or Child-Pugh Class C). Inflammatory bowel disease. Patients w/ history of CVA, MI, CABG, uncontrolled HTN, CHF (NYHA II-IV). Treatment of post-op pain immediately following CABG surgery. Established ischemic heart disease, peripheral arterial disease &/or cerebrovascular disease. Pregnancy (3rd trimester) & lactation.