Should not be used in type 1 diabetes or diabetic ketoacidosis. End-stage renal disease on haemodialysis, renal impairment. Hepatic impairment. Perform liver function test prior to & during treatment at 3-mth intervals during the 1st yr & periodically thereafter. Discontinue use if AST/ALT ≥3 x ULN persists, or if jaundice & pancreatitis develop. Cardiac failure (NYHA class III-IV). Monitor for skin disorders eg, blistering & ulceration. Risk of developing acute pancreatitis; hypoglycaemia. Rare hereditary problems of galactose intolerance, Lapp lactase deficiency or glucose-galactose malabsorption. Pregnancy & lactation.