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Famotidine: Uses, Dosage, Side Effects, and More
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Famotidine is an H2 (histamine-2) receptor blocker used to treat and prevent conditions caused by excess stomach acid, including GERD, ulcers, and Zollinger–Ellison syndrome. By reducing acid production, it relieves heartburn, indigestion, and sour stomach while promoting healing of the stomach and esophagus. Pepcid is available both by prescription and over the counter for short-term heartburn relief.
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Controlled Substance Warning
Famotidine is not a controlled substance. It should be taken exactly as directed, with or without food, and is often used at bedtime to prevent nighttime acid symptoms. Do not exceed recommended doses or duration of use; if symptoms persist beyond 14 days of OTC treatment, seek medical advice.
Drug Facts
Generic Name
Famotidine
Brand Names
Pepcid
Drug Type
H2 (histamine-2) receptor blocker
Dosage Forms
Tablets, oral suspension, intravenous injection
Typical Dosage
- GERD / acid reflux (prescription): 20–40 mg once or twice daily.
- Ulcers: 20 mg twice daily or 40 mg at bedtime for 6–8 weeks.
- Over-the-counter heartburn relief: 10–20 mg as needed once or twice daily, up to 2 times per day.
- Doses should be individualized based on the condition being treated and patient response
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Disclaimer
The information provided on this page is for general informational purposes only and is not intended as medical advice. Always consult with a licensed healthcare provider before starting, stopping, or changing any medication regimen. While Invictus strives to provide accurate and up-to-date information, individual health conditions and circumstances vary. The prices, availability, and descriptions of all medications on this page are subject to change.
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