This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
ADR of acarbose 
Select and explain. 
A. Flatulence, B. Hypoglycemia, C. Periodic Hyperglycemia, D. Weight gain
A: Flatulence
Answer: A: Flatulence 
Explanation: The most common ADR of alpha glucosidase inhibitors are flatulence due to indigestion of polysaccharides Ref: Katzung 12th ed, diabetis Mellitus..