Can Beans Cause Diarrhea? The Truth About High-fiber Side Effects Today bejo 6909 Share Can Beans Cause Diarrhea? The Truth About High-fiber Side Effects Today Can Beans Cause Diarrhea and Digestive Upset? Can Beans Cause Diarrhea and Digestive Upset? Read also: Fitness Fans Report An Egg Causing Bloating After Their Morning Workout