Hypersensitivity. Patient with active peptic ulceration or gastrointestinal bleeding, inflammatory bowel disease, congestive heart failure (NYHA II-IV), uncontrolled hypertension or with persistently high blood pressure (>140/90 mmHg), ischaemic heart disease, peripheral arterial disease, cerebrovascular disease, history of bronchospasm, acute rhinitis, nasal polyps, angioneurotic oedema, urticaria or allergic-type reactions after taking aspirin, NSAIDs including COX-2 inhibitors. Children and adolescent <16 years. Renal (CrCl <30 mL/min) and severe hepatic (Child-Pugh ≥10) impairment. Pregnancy.