Famotidinedrug info
famotidine 20 MG Oral Tablet
What it is used for
Famotidine tablets are indicated in adult and pediatric patients 40 kg and greater for the treatment of:
active duodenal ulcer (DU).
active gastric ulcer (GU).
symptomatic nonerosive gastroesophageal reflux disease (GERD).
erosive esophagitis due to GERD, diagnosed by biopsy. Famotidine tablets are indicated in adults for the:
treatment of pathological hypersecretory conditions (e.g., Zollinger-Ellison syndrome, multiple endocrine neoplasias).
reduction of the risk of duodenal ulcer recurrence. Famotidine tablets are a histamine-2 (H 2 ) receptor antagonist indicated: In adult and pediatric patients 40 kg and greater for the treatment of:
active duodenal ulcer (DU).
active gastric ulcer.
symptomatic nonerosive gastroesophageal reflux disease (GERD).
erosive esophagitis due to GERD, diagnosed by biopsy. In adults for the:
treatment of pathological hypersecretory conditions (e.g., Zollinger-Ellison syndrome, multiple endocrine neoplasias).
reduction of the risk of DU recurrence.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective October 22, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
The active ingredient in famotidine tablets, USP is a histamine-2 (H 2 ) receptor antagonist. Famotidine is N' -(aminosulfonyl)-3-[[[2-[(diaminomethylene)amino]-4-thiazolyl]methyl] thio]propanimidamide. The empirical formula of famotidine is C 8 H 15 N 7 O 2 S 3 and its molecular weight is 337.45.
Its structural formula is: Each famotidine tablet, USP for oral administration contains either 20 mg or 40 mg of famotidine and the following inactive ingredients: corn starch, hypromellose, magnesium stearate, microcrystalline cellulose, sodium starch glycolate and film coating contains carnauba wax, hydroxypropyl cellulose, hypromellose, talc, titanium dioxide; and additionally 20 mg contains iron oxide red and iron oxide yellow. Famotidine, USP is a white to pale yellowish white crystalline powder that is freely soluble in dimethyl formamide, glacial acetic acid, slightly soluble in methanol, very slightly soluble in water, and practically insoluble in acetone, in alcohol, in chloroform, in ether and ethyl acetate. famotabstructure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective October 22, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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