Acarbose tablets effect time is about 4 to 6 hours, depending on the person. Acarbose tablets are hypoglycemic drugs that need to be controlled with diet. Acarbose tablets are used for the treatment of type 2 diabetes and to lower postprandial blood glucose in people with impaired glucose tolerance. The duration of the drug effect is about 4 to 6 hours after taking this drug, but each person’s specific situation is different, the drug maintenance effect will be different. After taking acarbose tablets, some patients may experience adverse reactions such as abdominal distension, hyperactive bowel sounds, increased gas, diarrhea, and abdominal pain. Patients with diabetic ketoacidosis, patients with hypersensitivity to acarbose, and patients with severe renal impairment are prohibited from taking acarbose tablets. Before taking acarbose tablets, you should consult a professional doctor and take it under the doctor’s guidance, do not use the drug on your own at will, so as not to use the drug improperly and delay the condition.