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Benicar and Diarrhea. Side effects of the blood pressure medication Benicar may include sprue-like enteropathy, a gastrointestinal disorder that causes diarrhea and other unpleasant complications.
Children who take antidiarrheals may be more sensitive to side effects than adults, especially if they have a fever or have lost large amounts of body fluid through vomiting, diarrhea or perspiration. The bismuth that is present in bismuth subsalicylate may also cause constipation in children.ntidiarrheals are not recommended for diarrhea caused by infection with bacteria or a parasite. In such cases, medicine is likely to trap the organism in the intestines and actually prolong the diarrhea. Physicians may prescribe certain antibiotics instead of antidiarrheals for such types of diarrhea.