Ingredient

Famotidine

Famotidine is a medication used to treat peptic ulcers by inhibiting gastric acid secretion.

See medicines used for Digestion / Gastritis / Heartburn
All medicines
136
Single ingredient
124
Combination
12
Prescription medication
90
OTC medication
46

MFDS ingredient code M081653

What does it do?

Famotidine is a drug that reduces gastric acid secretion, used in the treatment of gastric ulcers and gastroesophageal reflux disease. It belongs to the class of histamine receptor antagonists and helps alleviate symptoms caused by excessive gastric acid.

Famotidine works by blocking specific receptors in the stomach lining to prevent excessive secretion of gastric acid. This reduces damage to the gastric mucosa from acid, aiding in the healing of ulcers.

Commonly used for

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

Good to know

Unlike other gastric acid inhibitors, famotidine acts by directly blocking histamine receptors. This selectively reduces gastric acid secretion, resulting in relatively fewer side effects.

Medicines containing this ingredient

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

Category
Dosage form
Strength
Category

136 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

  • QHow does famotidine reduce stomach acid?

    Famotidine belongs to the class of histamine receptor antagonists, blocking specific receptors in the stomach lining to prevent excessive secretion of gastric acid. It helps to reduce damage to the gastric mucosa from acid, aiding in the healing of ulcers, and is also used in the treatment of gastroesophageal reflux disease.

    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.