Nizatidine decreases the amount of acid made in the stomach. Nizatidine comes in different formulations and are administered differently. Follow the directions to get the most out of your medication.

Nizatidine Overview


Nizatidine is used to treat ulcers. Nizatidine can also prevent and treat heartburn. Nizatidine belongs to a group of medications called H2 antagonists which help by reducing the amount of acid your stomach produces.

Nizatidine is both an over-the-counter and a prescription medication. The over-the-counter form is used to prevent and treat heartburn. The prescription form is used to treat ulcers.

Prescription nizatadine is available as a capsule and oral liquid form which are normally given 1 to 2 times per day with or without food.

Over the counter nizatadine is available as extended release tablets and is taken once a day for relief. It can also prevent heartburn when taken 60 minutes to right before eating or drinking something that causes you heartburn.

Common side effects of nizatadine include headache, diarrhea, and runny nose.

Patient Ratings for Nizatidine

How was your experience with Nizatidine?

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What are you taking Nizatidine for?

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  • Other
  • Duodenal Ulcer
  • Dyspepsia
  • Esophagitis, Peptic
  • Gastroesophageal Reflux
  • Gastrointestinal Hemorrhage
  • Heartburn
  • Helicobacter Infections
  • Stomach Ulcer
  • Urticaria
  • Zollinger-ellison Syndrome

How long have you been taking it?

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  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

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Nizatidine Cautionary Labels


Uses of Nizatidine

Nizatidine is used to treat duodenal ulcers and stomach ulcers.

Nizatidine is also used to treat and prevent heartburn.

This medication may be prescribed for other uses. Please contact your doctor or pharmacist for more information.

Nizatidine Brand Names

Nizatidine may be found in some form under the following brand names:

Nizatidine Drug Class

Nizatidine is part of the drug class:

Side Effects of Nizatidine

Serious side effects have been reported with nizatidine. See "Drug Precautions" section.

Common side effects of nizatidine include:

  • diarrhea
  • runny nose
  • headache
  • stomach pain
  • dizziness

This is not a complete list of nizatidine side effects. Ask your doctor or pharmacist for more information.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.