OTC

Antacid / Gastrointestinal protectant

Bismuth Carbonate; Magnesium Carbonate; Kaolin Heavy

Last reviewed April 2026

Who is this for?

What is this drug?

This is a combination antacid medicine containing bismuth carbonate, magnesium carbonate, and heavy kaolin that works by neutralizing excess stomach acid and coating the stomach lining to relieve stomach discomfort and indigestion.

What is it used for?

Stomach upsetindigestionheartburnstomach acidnauseamild diarrhoeabloatingstomach pain after eating

Available Over The Counter

Available at pharmacies without a prescription. Rules may vary by country.

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