About bismuth subcitrate
Gastrointestinal mucosal protectant
Used for
- Treatment of stomach or duodenal ulcers, often with antibiotics for Helicobacter pylori
- Relief of symptoms from gastritis or indigestion
Usual adult dose
Commonly 120 mg four times daily or 240 mg twice daily, before meals and at bedtime; duration depends on treatment.
Common side effects
- Darkened stools or tongue
- Nausea
- Constipation or diarrhea
Important warnings
- Avoid prolonged or excessive use; bismuth can accumulate and harm the nervous system.
- Do not use with severe kidney problems unless directed by a clinician.
- Dark stools can occur and may mask bleeding.
- Follow the full prescribed combination regimen for Helicobacter pylori.
Pregnancy
Safety is not well established; use during pregnancy only if a clinician considers it necessary.
Breastfeeding
Safety is not well established; use during breastfeeding only if a clinician considers it necessary.
Interactions
- Antacids and food can reduce absorption; take on an empty stomach.
- May reduce absorption of tetracycline antibiotics; follow prescribed spacing instructions.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.