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Gaviscon is an over-the-counter antacid used to relieve heartburn, acid indigestion, and sour stomach. U.S. Gaviscon Extra Strength chewable tablets contain aluminum hydroxide and magnesium carbonate. Ingredients and directions can differ among Gaviscon products, so check the label on your package.
read more about gaviscon ...Gaviscon provides relief from symptoms caused by stomach acid, including heartburn and acid indigestion. It can also relieve a sour stomach and upset stomach associated with those symptoms. It treats the symptoms but does not address every possible cause of recurring heartburn.
The antacid ingredients in U.S. Gaviscon Extra Strength neutralize stomach acid. Reducing acidity can ease the burning discomfort of heartburn. Other Gaviscon formulations may contain different ingredients, so their labels should be checked separately.
Chewable tablets must be chewed rather than swallowed whole. The U.S. Extra Strength label directs adults to take them after meals and at bedtime or as needed, within its stated daily limit. Follow the directions for the specific product you have, since liquid and tablet instructions can differ.
Antacids can interact with prescription medicines, so ask a clinician or pharmacist before use if you take other drugs. Check with a clinician if you follow a sodium-restricted diet. Do not exceed the package limit or use the maximum dose longer than the label permits.
Yes. Gaviscon is labeled to relieve heartburn and acid indigestion.
No. The U.S. Extra Strength chewable tablets should be chewed before swallowing.
Ask a clinician or pharmacist first. Antacids can interfere with certain prescription drugs.
No. Formulations vary by product and country, so check the active ingredients on your package.
Antacids. NHS. https://www.nhs.uk/medicines/antacids/. Date Accessed October 6, 2026.
Antacids: Types, Uses, Side Effects & Precautions. Cleveland Clinic. https://my.clevelandclinic.org/health/drugs/23076-antacid. Date Accessed October 6, 2026.
GAVISCON EXTRA STRENGTH- aluminum hydroxide and magnesium carbonate tablet, chewable. DailyMed (National Library of Medicine). https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=7f367927-c366-465c-a059-e2cfb337d562. Date Accessed October 6, 2026.
GAVISCON- aluminum hydroxide and magnesium carbonate liquid. DailyMed (National Library of Medicine). https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=2d74e5bc-1f10-4fb6-9258-cd906e360013. Date Accessed October 6, 2026.
Heartburn: What It Feels Like, Causes & Treatment. Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/9617-heartburn-overview. Date Accessed October 6, 2026.