Images for illustrative purposes only

  • Strong H2 RA
  • MHRA approved
  • UK prescribers


Category:Acid Reflux

Famotidine is a medication used to treat gastroesophageal reflux disease (GERD), a condition in which stomach acid flows back into the esophagus, causing heartburn and other symptoms. It is also used to treat peptic ulcer disease and certain types of gastritis (inflammation of the stomach lining).

Famotidine belongs to a class of medications called H2 receptor antagonists, which work by reducing the production of stomach acid. By blocking histamine, a chemical in the body that stimulates the release of acid in the stomach, famotidine helps to relieve heartburn and other symptoms of acid reflux.



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Frequently Asked Questions for Famotidine

What is Famotidine?

In the UK, famotidine is used to treat gastroesophageal reflux disease (GERD), peptic ulcer disease, and Zollinger-Ellison syndrome, which is a rare condition that causes the stomach to produce too much acid. Famotidine is available in various forms, including tablets, capsules, and oral suspension. It may also be given as an injection in a hospital or clinical setting.

In the UK, famotidine is available only with a prescription from a healthcare provider. It is important to take famotidine as directed by your healthcare provider and to follow the instructions on the label or packaging. If you have any questions or concerns about using famotidine, you should talk to your healthcare provider or pharmacist.

How do I take Famotidine?

Famotidine is available in different forms, such as tablets, capsules, and oral suspension, and the instructions for taking it may vary depending on the form of medication you have been prescribed. Here are some general guidelines for taking famotidine:

  • Take famotidine exactly as directed by your healthcare provider. Do not take more or less than prescribed, and do not take it for a longer period than recommended.
  • Famotidine may be taken with or without food. However, taking it with food may help reduce stomach upset.
  • Swallow the tablets or capsules whole with a glass of water. Do not chew, crush, or break them.
  • Shake the oral suspension well before each use and measure the dose using a special measuring device or spoon. Do not use a household spoon as it may not provide the correct dose.
  • If you are taking famotidine to treat symptoms of GERD, peptic ulcer disease, or Zollinger-Ellison syndrome, you may need to take it for several weeks or longer. Follow your healthcare provider's instructions carefully.
  • If you miss a dose of famotidine, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule.

What are the side effects of Famotidine?

Like all medications, famotidine can cause side effects, although not everyone experiences them. Some of the common side effects of famotidine include:

  • Headache
  • Dizziness
  • Nausea
  • Constipation or diarrhea
  • Stomach pain
  • Dry mouth
  • Fatigue

Less common but more serious side effects may include:

  • Severe allergic reactions, such as swelling of the face, lips, tongue, or throat, or difficulty breathing
  • Chest pain or irregular heartbeat
  • Seizures or tremors
  • Confusion or hallucinations
  • Easy bruising or bleeding
  • Severe skin reactions, such as a rash, blisters, or peeling

If you experience any of these serious side effects, you should seek medical attention immediately.

In addition, famotidine can interact with other medications and supplements, so it is important to tell your healthcare provider or pharmacist about all the medications and supplements you are taking before starting famotidine. They can advise you on any potential interactions and how to avoid them.

If you have any concerns about the side effects of famotidine or how it may interact with other medications, talk to your healthcare provider or pharmacist.