Famotidine

Generic Name: famotidine (fam OH ti deen)
Brand Name: Heartburn Relief, Pepcid, Pepcid AC, Pepcid AC Maximum Strength, Pepcid RPD, Mylanta AR, Leader Acid Reducer

What is famotidine?

Famotidine a histamine-2 blockers. Famotidine works by decreasing the amount of acid the stomach produces.

Famotidine is used to treat and prevent ulcers in the stomach and intestines. It also treats conditions in which the stomach produces too much acid, such as Zollinger-Ellison syndrome. Famotidine also treats gastroesophageal reflux disease (GERD) and other conditions in which acid backs up from the stomach into the esophagus, causing heartburn.

Famotidine may also be used for purposes not listed in this medication guide.

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Important information

You should not use this medication if you are allergic to famotidine or similar medications such as ranitidine (Zantac), cimetidine (Tagamet), or nizatidine (Axid).

Before taking famotidine, tell your doctor if you have kidney or liver disease, a history of Long QT syndrome, stomach cancer or other problems, or asthma, COPD, or other breathing problems.

Famotidine may be only part of a complete program of treatment that also includes changes in diet or lifestyle habits. Follow your doctor's instructions very closely.

Heartburn is often confused with the first symptoms of a heart attack. Seek emergency medical attention if you have chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, and a general ill feeling.

Before taking this medicine

Heartburn is often confused with the first symptoms of a heart attack. Seek emergency medical attention if you have chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating, and a general ill feeling.

You should not use this medicine if you are allergic to famotidine or similar medicines such as ranitidine (Zantac), cimetidine (Tagamet), or nizatidine (Axid).

Ask a doctor or pharmacist if it is safe for you to use famotidine if you have other medical conditions, especially:

FDA pregnancy category B. Famotidine is not expected to harm an unborn baby. Do not use this medicine without a doctor's advice if you are pregnant.

Famotidine can pass into breast milk and may harm a nursing baby. You should not breast-feed while using this medicine.

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How should I take famotidine?

Use famotidine exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.

Although most ulcers heal within 4 weeks of famotidine treatment, it may take up to 8 weeks of using this medicine before your ulcer heals. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after 6 weeks of treatment.

Famotidine may be only part of a complete program of treatment that also includes changes in diet or lifestyle habits. Follow your doctor's instructions very closely.

Store at room temperature away from moisture, heat, and light. Do not allow the liquid medicine to freeze.

Throw away any unused liquid medicine that is older than 30 days.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking famotidine?

Avoid drinking alcohol. It can increase the risk of damage to your stomach.

Avoid taking cimetidine (Tagamet), ranitidine (Zantac), or nizatidine (Axid) while you are taking famotidine, unless your doctor has told you to.

This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Famotidine side effects

Get emergency medical help if you have any of these signs of an allergic reaction to famotidine: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using famotidine and call your doctor at once if you have:

Common famotidine side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

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What other drugs will affect famotidine?

Other drugs may interact with famotidine, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Where can I get more information?


Copyright 1996-2014 Cerner Multum, Inc. Version: 13.01. Revision Date: 2014-08-11, 1:16:16 PM.