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What are the side effects of anti-diarrheal and gas medications?

The side effects of anti-diarrheal and anti-gas medications depend on the medication you are taking. Allergic reaction to any product is possible. Call 911 immediately if you have difficulty breathing, or swelling of your mouth, lips or tongue.

The effects of the diarrheal disorder may sometimes be confused with side effects of the drug used to treat it. These include abdominal pain, abdominal distension, drowsiness, dizziness and nausea/vomiting. Side effects are usually associated with overdose. In addition, loperamide can cause constipation and slow the movement of the gut so much that it stops (called ileus, a very serious problem). Bismuth subsalicylate can cause constipation, symptoms of salicylate toxicity (hearing loss, tinnitus) and a harmless discoloration of the tongue.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.