14 • Hypersensitivity to the active substance or to any of the excipients (see section 6.1). • Known hypersensitivity to sulphonamides. • Active peptic ulceration or gastrointestinal (GI) bleeding. • Patients who have experienced asthma, acute rhinitis, nasal polyps, angioneurotic oedema, urticaria or other allergic-type reactions after taking acetylsalicylic acid or non steroidal anti-inflammatory drugs (NSAIDs) including COX-2 (cyclooxigenase-2) selective inhibitors. • In pregnancy and in women who can become pregnant unless using an effective method of contraception (see sections 4.5, 4.6 and 5.3) • Breast feeding (see sections 4.6 and 5.3) • Severe hepatic dysfunction (serum albumin< 25 g/l or Child-Pugh score > 10) (Class C). • Patients with renal insufficiency with estimated creatinine clearance < 30 ml/ min. • Inflammatory bowel disease. • Congestive heart failure (NYHA II-IV). • Established ischaemic heart disease, peripheral arterial disease and/or cerebrovascular disease