Famotidine is the generic name for this medication (fam OH ti deen)
Brand names include Pepcid and Zantac 360.
H2 antagonists are a class of drugs.
What is famotidine, and how does it work?
Prior to using this medication, you should consult your doctor.
In the event that you are allergic to famotidine or related medications such as ranitidine (Zantac), cimetidine (Tagamet), or nizatidine, you should avoid using this medication until your allergy has been resolved (Axid).
In order to ensure that this medication is safe for you, inform your doctor or pharmacist if you have ever had any of the following conditions:
- Kidney disease is a medical condition in which the kidneys fail to function properly.
- cirrhosis of the liver;
- stomach cancer, for example;
- QT prolongation syndrome (in you or a family member).
if you are pregnant or nursing, talk to your doctor before using famotidine or taking any other medications.
What is the best way to take famotidine?
What happens if I don’t take my medication on time?
Take the medication as soon as you are able, but if it is nearly time for your next dosage, ignore the missed dose and continue with your regular schedule. Do not take more than one dosage at a time.
What happens if I take too much of something?
Seek immediate medical care or dial 1-800-222-1222 to reach the Poison Help hotline for assistance.
What to stay away from?
Avoid consuming alcoholic beverages. It has the potential to raise the risk of gastrointestinal injury.
Other stomach acid reducers should be avoided unless specifically instructed to do so by your doctor. You may, however, take an antacid (such as Maalox, Mylanta, Gaviscon, Milk of Magnesia, Rolaids, or Tums) together with famotidine if you have a stomach upset.
Consequences of using famotidine
If you have any of the following symptoms of an allergic response to famotidine: hives; difficulty breathing; swelling of your face, lips, tongue, or throat, get immediate medical attention.
If you experience any of the following symptoms, stop taking this medication and contact your doctor right away:
- Confusion, hallucinations, anxiety, and a general lack of energy;
- a convulsion;
- hammering heartbeats, abrupt dizziness (as if you were about to pass out); or
- Muscle discomfort, soreness, or weakness that is unexplained, particularly if you are also experiencing fever, unusual fatigue, or dark coloured urine.
Some adverse effects may be more common in older individuals and those who have severe renal disease, according to some research.
The following are examples of common famotidine adverse effects:
- a feeling of dizziness; or
- Constipation or diarrhoea are common symptoms.
The following is not a comprehensive list of possible side effects, and more may occur. For medical advice regarding side effects, consult with your doctor. You may report adverse effects to the Food and Drug Administration at 1-800-FDA-1088.
More information is available upon request.
Never share your medications with others, and only take famotidine for the purpose for which it was given. Keep this and all other medications out of the reach of children.
Always check with your healthcare practitioner to verify that the information provided on this page is accurate and applicable to your specific situation.