Ingredient

Precipitated Calcium Carbonate

Calcium carbonate is an ingredient used as an antacid that neutralizes stomach acid.

See medicines used for Digestion / Gastritis / Heartburn
All medicines
133
Single ingredient
4
Combination
129
Prescription medication
26
OTC medication
107

MFDS ingredient code M040634

What does it do?

Calcium carbonate is primarily used as an antacid ingredient to relieve symptoms of peptic ulcers and heartburn. It also acts as a digestive aid to assist in digestion.

This ingredient neutralizes excessive acid in the stomach, protecting the gastric mucosa and reducing irritation caused by acid. This helps alleviate symptoms of heartburn or acid reflux.

Commonly used for

Approved uses differ by product. Check each product's information for its actual use.

Good to know

Unlike other antacids, calcium carbonate also has the effect of supplementing calcium, which may benefit bone health. However, due to its calcium content, caution is necessary as there may be side effects from overdose.

Medicines containing this ingredient

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Category
Dosage form
Strength
Category

133 total

View more

Even with the same ingredient, dosage and approved uses can differ by strength, dosage form and combined ingredients. Check each product's information before taking it.

Combined ingredients

Ingredients used together with this ingredient in combination products.

Questions about this ingredient

  • QI am also taking calcium supplements; can I take this stomach medication that contains this ingredient as well?

    Calcium carbonate supplies calcium, so caution is needed to avoid excessive intake due to possible side effects associated with high calcium levels. Please check for overlaps with other calcium supplements and digestive medications, and consult your pharmacist by showing them the products to confirm if it is safe to take them together.

    Answers 1 · 2026.09.14

  • QHow does calcium carbonate work when I take it for stomach discomfort?

    Calcium carbonate is an antacid ingredient that neutralizes excess stomach acid to protect the stomach lining and reduce irritation caused by acid. It is used to alleviate symptoms of heartburn or acid reflux.

    Answers 1 · 2026.09.14

For anything that needs medical judgment, consult a doctor or pharmacist.

SourceKorea Ministry of Food and Drug Safety (Drug Safety Korea)

This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.