- What is famotidine, and how does it work (mechanism of action)?
- What brand names are available for famotidine?
- Is famotidine available as a generic drug?
- Do I need a prescription for famotidine?
- What are the uses for famotidine?
- What are the side effects of famotidine?
- What is the dosage for famotidine?
- Which drugs or supplements interact with famotidine?
- Is famotidine safe to take if I'm pregnant or breastfeeding?
- What else should I know about famotidine?
What is the dosage for famotidine?
The recommended adult oral dose for treating duodenal ulcers is 40 mg once daily at bedtime or 20 mg twice daily. Most patients heal their ulcers within 4 weeks. The regimen for maintenance therapy after the ulcers are healed is 20 mg once a day at bedtime. The recommended oral dose for adults with gastric ulcers is, 40 mg once daily at bedtime.
Esophagitis is treated with 20 or 40 mg twice daily for up to 12 weeks. Zollinger-Ellison syndrome is treated with 20 mg every 6 hours, and doses up to 160 mg every 6 hours have been used in some patients.
GERD is treated with 20 mg twice daily for up to 6 weeks. Occasional heartburn is treated with 10-20 mg daily administered 15 to 60 minutes before ingestion of food or beverages that cause heartburn.
Which drugs or supplements interact with famotidine?
Famotidine, like other drugs that reduce stomach acid, may interfere with the absorption of drugs that require acid for adequate absorption. Examples include iron salts (for example iron sulphate), itraconazole (Sporanox), and ketoconazole (Nizoral, Extina, Xolegel, Kuric).
Quick GuideHeartburn: Causes, Symptoms, Remedies, Treatments
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