Patients with known hypersensitivity to acarbose, and in patients with diabetic ketoacidosis or cirrhosis. Patients with inflammatory bowel disease, colonic ulceration, partial intestinal obstruction or in patients predisposed to intestinal obstruction. In addition, acarbose is contraindicated in patients who have chronic intestinal diseases associated with marked disorders of digestion or absorption and in patients who have conditions that may deteriorate as a result of increased gas formation in the intestine.
Use in lactation: It is known whether acarbose is excreted in human milk. Because many drugs are excreted in human milk, acarbose should not be administered to a nursing woman.