14 Gastrointestinal disorders Common: abdominal pain, constipation, diarrhoea, dyspepsia, nausea, vomiting, flatulence Uncommon: gastroduodenal ulcer, gastroduodenitis, oesophagitis, abdominal distension, aphthous stomatitis, dry mouth, dysphagia, epigastric discomfort, eructation, gastrooesophageal reflux disease, gingivitis, hyperacidity, toothache Rare: gastrointestinal haemorrhage