The more you take acarbose, the thinner you get may be caused by the drug, but also may be caused by the disease itself and other reasons, it is recommended to consult a doctor. 1. Drug-induced: Acarbose common adverse reactions include flatulence, diarrhea, abdominal pain, nausea, vomiting, indigestion and so on. If taking this product causes obvious diarrhea, vomiting, indigestion, etc., it is easy to lead to weight loss and cause wasting. 2. Disease itself: Acarbose is used to treat type 2 diabetes and reduce postprandial blood sugar in people with impaired glucose tolerance. The symptoms of diabetes include excessive drinking, excessive eating, excessive urination and weight loss. Therefore the cause of weight loss can also be due to diabetes itself. If you experience significant weight loss, you should seek early medical attention to determine the cause, so as not to miss out on your condition.