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Famotidine 20 MG Tablet

Manufacturer: Cipla Ltd
Medicine composition: Famotidine
Prescription vs.OTC: Prescription by Doctor required
Last Updated: December 14, 2018

Famotidine 20 MG Tablet is a prescriptive drug that is used primarily in peptic ulcer diseases and other gastroesophageal reflux diseases. It is histamine h2 blocker that prevents acid production in the stomach. Famotidine 20 MG Tablet is sold under the trade name of Pepcid in the market. It comes in both liquid and tablet form and can also be injected into the body.

Aside from the ones already mentioned, the benefits of using Famotidine 20 MG Tablet are many; it aides in the treatment of heartburn, acid indigestion, of gastric and duodenal ulcers, and in the treatment of esophagitis. The associated side effects resulting from the taking of Famotidine 20 MG Tablet include dizziness, seizures, depression, sexual problems, headache, and shortness of breath, constipation and in certain cases diarrhea.

Inform your doctor or pharmacist if:

  • You are allergic to famotidine, cimetidine, nizatidine, ranitidine, or any other medications .
  • If you are taking any kind of prescriptive or non-prescriptive drugs, any kind of herbal medications or any kind of medications for heartburn.
  • You have a history of QT syndrome, asthma or any kind of breathing problems.
  • You are planning to become pregnant, are pregnant or are breastfeeding a baby.
  • You have phenylketonuria or any kind of kidney disease.

Famotidine should be taken in the amount as prescribed by your doctor depending on your condition. It is recommended that you measure the liquid with a cup or a syringe. Taking too much or too little may not show the desired results. If a proper diet is followed along with the intake of this medicine then your ulcer has a chance of healing within four weeks. Otherwise it may take up to eight weeks. Should you experience any chest pain then contact your doctor right away. Heartburn is often mistaken with the initial symptoms of a possible heart attack.

In case of a missed dose take it as soon as possible. However, if it is almost time for your next dose, then skip the previous one but do not take more medicine as overdosing may have adverse effects. If you do overdose then it is advised that you seek medical help immediately without delay.

Information given here is based on the salt and content of the medicine. Effect and uses of medicine may vary from person to person. It is advicable to consult a Gastroenterologist before using this medicine.

  • Duodenal Ulcer

    Famotidine 20 MG Tablet is used in the treatment of ulcers in the small intestine.
  • Gastric Ulcer

    Famotidine 20 MG Tablet is used in the treatment of ulcers in the stomach.
  • Gastroesophageal Reflux Disease

    Famotidine 20 MG Tablet is used for the treatment of a condition where the acid produced in the stomach causes irritation in the food pipe.
  • Hypersecretory Condition

    Famotidine 20 MG Tablet is used to prevent and treat conditions where the amount of acid secreted in the stomach is abnormally high.
  • Allergy

    Not recommended in patients with known allergy to Famotidine 20 MG Tablet or other H2 antagonists.
  • How long is the duration of effect?

    The effect of this medicine lasts for an average duration of 10 to 12 hours.
  • What is the onset of action?

    The effect of this medicine can be observed in less than 1 hour after an oral dose and less than 30 minutes after an intravenous dose.
  • Are there any pregnancy warnings?

    This medicine is recommended in pregnant women only if benefits overweigh the risks.
  • Is it habit forming?

    No habit forming tendencies were reported.
  • Are there any breast-feeding warnings?

    This medicine is known to excreted through the breastmilk. It is recommended for breastfeeding women.

Below is the list of medicines, which have the same composition, strength and form as Famotidine 20 MG Tablet , and hence can be used as its substitute.

  • Missed Dose instructions

    Take the missed dose as soon as you remember. If it is almost time for the next scheduled dose, then the missed dose can be skipped.
  • Overdose instructions

    Seek emergency medical treatment or contact the doctor in case of an overdose.
  • India

  • United States

Famotidine 20 MG Tablet acts by inhibiting the action of histamine at specific H2 receptors present in the gastric parietal cells. Thus, gastric acid secretion process is inhibited.

Whenever you take more than one medicine, or mix it with certain foods or beverages, you"re at risk of a drug interaction.

  • Interaction with Disease

    Gastrointestinal Bleeding

    Use of Famotidine 20 MG Tablet is not recommended for use if any symptoms indicating gastrointestinal bleeding exists. Consult your doctor if there is blood in vomit or the stools are bloody or black.
  • Interaction with Alcohol


    Interaction with alcohol is unknown. It is advisable to consult your doctor before consumption.
  • Interaction with Lab Test


    Information not available.
  • Interaction with Food


    Information not available.
  • Interaction with Medicine


    Famotidine 20 MG Tablet may increase the effect of antidiabetics medicines like glipizide, glimepiride which may lower the blood glucose levels. Monitoring of blood glucose levels is necessary. Any symptoms like dizziness, tiredness, weakness should be reported to the doctor. Dose adjustments or an alternate medicine should be considered based on the clinical condition.


    Famotidine 20 MG Tablet will decrease the effect of antifungals, therefore inform the doctor if you are receiving any antifungals or gastric medications. Immediate medical treatment should be initiated if any symptoms of an increase in the severity of fungal infection appear. An alternate medicine should be considered based on the clinical condition.


    Report the use of either of the medicine to the doctor. Your doctor may adjust the dosage of Atazanavir when it is to be consumed along with Famotidine 20 MG Tablet. Do not stop the usage of any medication without consulting your doctor.
Disclaimer: The information produced here is best of our knowledge and experience and we have tried our best to make it as accurate and up-to-date as possible, but we would like to request that it should not be treated as a substitute for professional advice, diagnosis or treatment.

Lybrate is a medium to provide our audience with the common information on medicines and does not guarantee its accuracy or exhaustiveness. Even if there is no mention of a warning for any drug or combination, it never means that we are claiming that the drug or combination is safe for consumption without any proper consultation with an expert.

Lybrate does not take responsibility for any aspect of medicines or treatments. If you have any doubts about your medication, we strongly recommend you to see a doctor immediately.

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Table of Content
About Famotidine 20 MG Tablet
What are the uses of Famotidine 20 MG Tablet
What are the contraindications of Famotidine 20 MG Tablet ?
What are the side effects of Famotidine 20 MG Tablet ?
Key highlights of Famotidine 20 MG Tablet
What are the substitutes for Famotidine 20 MG Tablet ?
What are the dosage instructions?
Where is the Famotidine 20 MG Tablet approved?
How does this medication work?
What are the interactions of Famotidine 20 MG Tablet ?