It is used to treat or preventheartburnin people with acid reflux orgastroesophagealreflux disease (GERD).
There are different types of Gaviscon available on drugstore shelves.
While generally safe for use, Gaviscon may cause indigestion and other mild side effects.
Verywell / Anastasia Tretiak
Gaviscon can also interact with certain drugs.
This article explains the benefits, ingredients, and usage of the antacid Gaviscon.
It also describes the potential risks of Gaviscon and how to use the drug safely.
Verywell / Anastasia Tretiak
How Does Gaviscon Work?
Gaviscon contains ingredients that help neutralize stomach acids.
Gaviscon starts working as soon as 10 minutes after taking it.
The effects can last for up to four hours.
In studies, the effects of Gaviscon tend to last longer than those of traditional antacids.
For severe cases, Gaviscon may be used withproton pump inhibitors (PPIs).
These drugs reduce the production of stomach acids.
In addition to treating acid reflux, Gaviscon can prevent heartburn by reducing stomach acids after meals.
Gaviscon Products and Ingredients
Gaviscon is available as a tablet or liquid in regular-strength and extra-strength formulations.
The active ingredientsaluminum hydroxide and magnesium carbonatehelp neutralize stomach acids.
The amount of each ingredient, measured in milligrams (mg), varies by formulation.
Gaviscon also contains sodium bicarbonate and alginic acid.
Sodium bicarbonate creates the foaming action, while alginic acid gives the foam a sticky, gel-like consistency.
This gel-like barrier is what displaces acid at the junction of the esophagus and stomach.
Gaviscon has a chalky consistency and comes in different artificial flavors, including mint, butterscotch, and orange.
How to Take Gaviscon
Gaviscon comes as a chewable tablet or liquid.
Both are taken by mouth and have different prescribing information.
Dosage
When to Take Gaviscon
Gaviscon should be taken after meals and at bedtime.
Taking Gaviscon after meals keeps it in the stomach longer, extending its action as food is gradually digested.
What If I Take Too Much?
The same applies if you have heartburn more than twice weekly.
There may be more effective options available.
Possible Side Effects of Gaviscon
Side effects of Gaviscon are uncommon.
A 2014 study found no difference in side effects between people using Gaviscon and those given an inactive placebo.
Drinking a glass of water after a dose may help reduce nausea, indigestion, and belching.
Special Precautions When Taking Antacids
Gaviscon is not for everyone.
Interactions
Gaviscon can interfere with certain drugs and reduce their absorption in the gut.
By doing so, the accompanying drug may not work as well.
Who Should Not Take Gaviscon?
Certain people may need to avoid Gaviscon or use it with caution.
People who are pregnant or breastfeeding are generally advised to avoid Gaviscon just to be safe.
When to Call 911
Heartburn is common when experiencing aheart attack.
Gaviscon is available as a tablet or liquid.
It can be taken four times daily after meals and at bedtime.
Side effects tend to be mild and may include indigestion, nausea, and belching.
Gaviscon should be used with caution in people with kidney disease, a peptic ulcer, or trouble swallowing.
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