Hypersensitivity to sulfonylureas and related substances. Not to be used for: juvenile onset diabetes; diabetes complicated by ketosis or acidosis; diabetics undergoing surgery, after severe trauma or during infections; diabetic precoma and coma; severe renal or hepatic insufficiency, porphyria, hyperthyroidism, pregnancy and lactation.
Not to be used for insulin-dependent diabetes (type 1) and for patients taking medicines to treat fungal infections.
Gliclazide is not recommended in patients presenting galactose intolerance, Lapp lactase deficiency or glucose-galactose malabsorption syndrome (rare hereditary diseases).