Bismuth Carbonate / Simethicone
This combination medication contains bismuth carbonate, an antacid compound, and simethicone, an antiflatulent. Together they provide relief from gas, bloating, pressure, and mild stomach discomfort associated with indigestion. This medication is commonly available over-the-counter for occasional digestive symptoms.
A combination antacid and antiflatulent used to relieve gas, bloating, and mild indigestion.
Key facts at a glance
- RxNorm
- 816243
- Generic
- Bismuth Carbonate / Simethicone
- Class
- multi-ingredient
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Relief of symptoms associated with excess gas including bloating, pressure, fullness, and stomach discomfort. May also help with mild indigestion and heartburn.
Simethicone works by reducing surface tension of gas bubbles in the digestive tract, allowing them to combine and be expelled more easily. Bismuth carbonate acts as an antacid and may help coat the stomach lining for mild protective effects.
This medication may cause darkening of stool or tongue, which is temporary and harmless. Avoid taking within 2 hours of other medications as bismuth can interfere with absorption. Not recommended for children under 12 unless directed by a healthcare provider. Consult a doctor if symptoms persist beyond 2 weeks.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 28, 2026. · Read our editorial policy