Bismuth Subsalicylate / Kaolin
Bismuth Subsalicylate/Kaolin is a combination medication used to treat diarrhea, indigestion, and stomach upset. Bismuth subsalicylate provides anti-inflammatory and antimicrobial effects while kaolin acts as an absorbent to bind toxins and excess fluids in the digestive tract. This combination is commonly found in over-the-counter anti-diarrheal products for adults.
A combination anti-diarrheal medication that reduces inflammation and absorbs gastrointestinal toxins.
Key facts at a glance
- RxNorm
- 1249101
- Generic
- Bismuth Subsalicylate / Kaolin
- 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.
Treats acute diarrhea, traveler's diarrhea, indigestion, heartburn, nausea, and stomach upset. Also used for conditions requiring reduction of intestinal inflammation.
Bismuth subsalicylate reduces intestinal inflammation and has mild antimicrobial properties. Kaolin, a clay mineral, acts as an adsorbent that binds to bacterial toxins and excess fluids in the GI tract, helping to firm stools and remove harmful substances.
Avoid in children and teenagers recovering from viral infections due to Reye's syndrome risk. Should not be used by those allergic to salicylates (like aspirin) or with bleeding disorders. May cause harmless darkening of tongue or stool. Consult a doctor if diarrhea persists beyond 2 days or is accompanied by fever. Use caution during pregnancy.
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