Famotidine Home>Pharmacy>Drugs_and_Medications>F>Famotidine     Web Pages Pepcid Short-term treatment of acid reflux and stomach ulcers and the treatment of abnormally high levels of stomach acid. (Famotidine) Famotidine Information from the RxList. Pepcid RPD Information from Merck. (famotidine) DrugDigest: Famotidine Oral ( Pepcid ) Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available.