Why Do the Most Common Side Effects of Any Bile

Why do the most common side effects of any bile acid sequestrant include bloating,abdominal discomfort,and constipation?

A) Many patients are lactose intolerant and these drugs contain lactose.
B) Bile acid sequestrants exert their effects directly in the intestinal tract.
C) The action of bile acid sequestrants on the liver releases bile into the intestinal tract.
D) The drugs inhibit the absorption of dietary fiber,increasing its concentration and effects in the intestinal tract.