<prompt> Answer this question truthfullyWhat are some common side effects associated with the use of alpha-glucosidase inhibitors such as acarbose and miglitol, and why are these medications infrequently prescribed?  <response>: <reason> Common side effects associated with the use of alpha-glucosidase inhibitors e.g. acarbose, miglitol include diarrhea, flatulence, and abdominal pain. These medications are infrequently prescribed due to these side effects. 