OTC
Antacid
Calcium Carbonate; Magnesium Carbonate
Last reviewed April 2026
Who is this for?
What is this drug?
Calcium Carbonate and Magnesium Carbonate is an antacid combination that works by neutralizing excess acid in your stomach, giving you quick relief from heartburn and indigestion.
What is it used for?
Heartburnstomach acidindigestionsour stomachbloating from excess gasstomach upset after eating spicy or heavy food
Available Over The Counter
Available at pharmacies without a prescription. Rules may vary by country.