Hypoglycaemia when used w/ insulin or sulfonylurea; nausea, diarrhoea. Hypoglycaemia when used w/ other oral antidiabetics, decreased appetite; dizziness; diabetic retinopathy complications; vomiting, abdominal pain, abdominal distension, constipation, dyspepsia, gastritis, GERD, eructation, flatulence; cholelithiasis; fatigue; increased lipase, increased amylase, decreased wt.