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Famotidine Oral tablet

What is this medicine?

FAMOTIDINE (fa MOE ti deen) is a type of antihistamine that blocks the release of stomach acid. It is used to treat stomach or intestinal ulcers. It can also relieve heartburn from acid reflux.

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. If you only take this medicine once a day, take it at bedtime. Take your doses at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • agitation, nervousness

  • confusion

  • hallucinations

  • skin rash, itching

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • constipation

  • diarrhea

  • dizziness

  • headache

What may interact with this medicine?

  • delavirdine

  • itraconazole

  • ketoconazole

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Do not freeze. Throw away any unused medicine after the expiration date.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • kidney or liver disease

  • trouble swallowing

  • an unusual or allergic reaction to famotidine, other medicines, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

Tell your doctor or health care professional if your condition does not start to get better or if it gets worse. Finish the full course of tablets prescribed, even if you feel better.

Do not take with aspirin, ibuprofen or other antiinflammatory medicines. These can make your condition worse.

Do not smoke cigarettes or drink alcohol. These cause irritation in your stomach and can increase the time it will take for ulcers to heal.

If you get black, tarry stools or vomit up what looks like coffee grounds, call your doctor or health care professional at once. You may have a bleeding ulcer.

Online Medical Reviewer: Louise Akin, RN, BSN
Online Medical Reviewer: Daphne Pierce-Smith, RN, MSN, FNP, CCRC
Last Review Date: 4/9/2014
© 2000-2014 The StayWell Company, LLC. 780 Township Line Road, Yardley, PA 19067. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.