normal dose of famotidine
After the ulcer is healed, the dose to prevent future duodenal ulcers is famotidine 20 mg, taken once daily at bedtime. Famotidine Dosing for Gastric Ulcers. The recommended famotidine dosage for treating gastric (stomach) ulcers is famotidine 40 mg, taken at bedtime.Famotidine Information.he recommended famotidine dose for treating duodenal ulcers (upper intestinal ulcers) is famotidine 40 mg, taken at bedtime; or famotidine 20 mg, taken twice daily.