Rare hereditary problems of galactose intolerance, severe lactase deficiency or glucose-galactose malabsorption. GI bleeding, ulceration or perforation. Monitor blood count; patients w/ defects of haemostasis; asthma, seasonal allergic rhinitis, swelling of the nasal mucosa (ie nasal polyps), COPD or chronic infections of the resp tract (especially if linked to allergic rhinitis-like symptoms), reactions on NSAIDs like asthma exacerbations (so-called intolerance to analgesics/analgesics-asthma), Quincke's edema or urticaria. Hepatic porphyria & impairment. Discontinue use at the 1st appearance of skin rash, mucosal lesions or any other sign of hypersensitivity. Impaired cardiac or renal function, history of HTN. Concomitant use w/ systemic NSAIDs including COX-2 selective inhibitors. Lactation. Elderly.