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Famotidine is in a group of drugs called 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 other purposes not listed in this medication guide.
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, stomach cancer or other problems, or asthma, COPD, or other breathing problems. Avoid taking cimetidine (Tagamet), ranitidine (Zantac), or nizatidine (Axid) while you are taking famotidine, unless your doctor has told you to. Famotidine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.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 can be confused with early symptoms of heart attack. Seek emergency medical attention if you have chest pain or heavy feeling, dizziness, pain spreading to the arm or shoulder, sweating, nausea or vomiting, and a general ill feeling.
Heartburn can be confused with early symptoms of heart attack. Seek emergency medical attention if you have chest pain or heavy feeling, dizziness, pain spreading to the arm or shoulder, sweating, nausea or vomiting, and a general ill feeling. 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 are allergic to any drugs, or if you have: - kidney disease; or
- liver disease;
stomach cancer or other problems; or asthma, chronic obstructive pulmonary disease (COPD), or other breathing problems.
If you have any of the conditions listed above, you may need a dose adjustment or special tests to safely take famotidine. FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. Famotidine can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Use this medication exactly as directed on the label, or as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended. Follow your doctor's instructions. The chewable tablet must be chewed thoroughly before swallowing. Shake the oral suspension (liquid) for 5 to 10 seconds before you measure a dose. To be sure you get the correct dose, measure the liquid with a marked measuring spoon or medicine cup, not with a regular table spoon. 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 famotidine at room temperature away from moisture, heat, and light. Throw away any unused famotidine liquid that is older than 30 days.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.
Seek emergency medical attention if you think you have used too much of this medicine. Overdose symptoms may include nausea, vomiting, diarrhea, stomach pain, fast heart rate, or fainting.
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. Famotidine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using famotidine and call your doctor at once if you have a serious side effect such as: easy bruising or bleeding; fast or pounding heartbeat; confusion, hallucinations, seizure; numbness or tingly feeling; or jaundice (yellowing of the skin or eyes).
Less serious side effects may include: nausea, vomiting, diarrhea, constipation; dry mouth; dizziness, weakness, mood changes; headache; or muscle cramps, joint pain.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
Tell your doctor about all other medications you use, especially: atazanavir (Reyataz); itraconazole (Sporanox); ketoconazole (Nizoral); or aspirin or other NSAIDs (non-steroidal anti-inflammatory drugs) such as ibuprofen (Motrin, Advil), naproxen (Aleve, Naprosyn), diclofenac (Cataflam, Voltaren), etodolac (Lodine), indomethacin (Indocin), ketoprofen (Orudis), piroxicam (Feldene), and others.
This list is not complete and there may be other drugs that can interact with famotidine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.
- Your pharmacist can provide more information about famotidine.
- Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
- Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2006 Cerner Multum, Inc. Version: 9.02. Revision Date: 4/12/2009 4:36:07 PM.;
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