Bismuth Subsalicylate (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

• Anxiety
• Any loss of hearing
• Confusion
• Constipation (severe)
• Diarrhea (severe or continuing)
• Difficulty in speaking or slurred speech
• Dizziness or lightheadedness
• Drowsiness (severe)
• Fast or deep breathing
• Headache (severe or continuing)
• Increased sweating
• Increased thirst
• Mental depression
• Muscle spasms (especially of face, neck, and back)
• Muscle weakness
• Nausea or vomiting (severe or continuing)
• Ringing or buzzing in ears (continuing)
• Stomach pain (severe or continuing)
• Trembling
• Uncontrollable flapping movements of the hands (especially in elderly patients) or other uncontrolled body movements
• Vision problems

In some patients bismuth subsalicylate may cause dark tongue and/or grayish black stools. This is only temporary and will go away when you stop taking this medicine.

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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