Gastrointestinal disorders Common: abdominal pain, diarrhoea, dyspepsia, flatulence Uncommon: constipation, eructation, gastritis, stomatitis, vomiting, aggravation of gastrointestinal inflammation Rare: duodenal, gastricoesophageal, intestinal and colonic ulceration, dysphagia, intestinal perforation, oesophagitis, melaena Very rare: gastrointestinal haemorrhage, acute pancreatitis, colitis/ colitis aggravated.