Calcium carbonate is a dietary supplement used when the amount of calcium taken in the diet is not enough.Calcium is needed by the body for healthy bones, muscles, nervous system, and heart.Calcium carbonate also is used as an antacid to relieve heartburn, acid indigestion, and upset stomach. It is available with or without a prescriptionCalcium carbonate comes as a tablet, chewable tablet, capsule, and liquid to take by mouth. It is usually taken three or four times a day.When using this medicine as a dietary supplement, take it with food or following meals.
Chewable tablets should be chewed thoroughly before being swallowed; do not swallow them whole. Drink a full glass of water after taking either the regular or chewable tablets or capsules. Some liquid forms of calcium carbonate must be shaken well before use.

Do not take calcium carbonate as an antacid for more than 2 weeks

Calcium carbonate may cause side effects:

upset stomach vomiting stomach pain belching constipation dry mouth increased urination loss of appetite metallic taste

Brand names

Alka-Mints® Calel-D® Calcid® Caltrate 600® Chooz® Miralac® Os-Cal 500® Rolaids® Titralac® Tums®

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