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Gaviscon

Generic name: aluminum hydroxide and magnesium trisilicate

Last updated November 2, 2026 0 views
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What is Gaviscon?

Gaviscon is an antacid that can reduce the acidity of stomach acid.

Gaviscon is a combination medicine used to treat heartburn, acid indigestion, sour stomach, or upset stomach.

Gaviscon is also used to give temporary relief from heartburn and acid indigestion caused by acid reflux.

Gaviscon may also be used for reasons not mentioned in this medication guide.

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How should I take Gaviscon?

Use exactly as directed on the label, or as prescribed by your doctor.

You must chew the chewable tablet before you swallow it. Then drink about 4 ounces of water or other liquid.

Do not take more than 16 tablets in 24 hours.

Call your doctor if your symptoms do not improve, or if you have acid indigestion more than 2 times per week.

Do not take this medicine for longer than 2 weeks unless your doctor tells you to.

Store at room temperature away from moisture and heat.

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Warnings

Follow all instructions on your medicine label and package. Inform each of your healthcare providers about all your medical conditions, allergies, and all medicines you are taking.

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Before taking this medicine

Ask a doctor or pharmacist if Gaviscon is safe to use if:

  • you have a peptic ulcer;
  • you have trouble swallowing;
  • you have kidney disease; or
  • you are on a low-salt diet.

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

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Gaviscon side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Common side effects may include diarrhea.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You can report side effects to the FDA at 1-800-FDA-1088.

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What happens if I miss a dose?

Since Gaviscon is taken as needed, you might not have a regular dosing schedule. If you miss a dose and it's close to the time for your next dose, just skip the missed dose. Do not take two doses at the same time.

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What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

  • Ask a doctor or pharmacist before taking Gaviscon if you take other medicines regularly.
  • Gaviscon can make it harder for your body to absorb other medicines you take by mouth.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect Gaviscon?

Other drugs may affect Gaviscon, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

This section was rewritten for readability and reviewed for meaning.

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.