Tablets: The usual adult dose of Pepcid (Famotidine) tablets ranges from 20 mg or 40 mg at bedtime to 20 mg or 40 mg twice daily, depending on the condition being treated. Pepcid (Famotidine) can be taken with or without food. Seniors and those with decreased kidney function may require lower doses or longer intervals between doses.

• The dose of Pepcid (Famotidine) for treatment of duodenal ulcer is 40 mg at bedtime for 4 to 8 weeks, or less if healing occurs. Therapy is often continued after healing of the ulcer at a dose of 20 mg once daily for up to 6 to 12 months.
• The usual dose for treatment of benign stomach ulcer is 40 mg once a day at bedtime for 4 to 8 weeks, or less if healing occurs.
• For Zollinger-Ellison syndrome and similar conditions, the dose varies with the individual patient, but often starts with 20 mg every 6 hours.
• When used to relieve the symptoms of GERD or prevent GERD from returning, the usual dose is 20 mg twice daily. When used to treat esophageal damage related to GERD, the usual dose is 40 mg twice daily.

When used over-the-counter to treat acid indigestion, heartburn, or sour or upset stomach, the usual dose for adults and children 12 years of age or older is 10 mg to 20 mg when symptoms are experienced. To prevent symptoms brought on by consuming food or beverages, take the dose 10 to 15 minutes before eating food or drinking beverages that are expected to cause symptoms. The maximum dose is 40 mg every 24 hours. Do not take Pepcid (Famotidine) every day for more than 2 weeks without seeking medical advice.

Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.

It is important to use Pepcid (Famotidine) exactly as prescribed by your doctor. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.

Store Pepcid (Famotidine) at room temperature, protect it from light and moisture, and keep it out of the reach of children.

Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.