Generic name:  aluminum hydroxide and magnesium carbonate  [ a-LOO-mi-num-HYE-drox-IDE-AND-mag-NEE-zee-um-KAR-bo-nate ]
Brand names:  Acid Gone , Acid Gone Extra Strength,  Gaviscon Extra Strength , Gaviscon Regular Strength
Drug class:  Antacids

What is Acid Gone Extra Strength?

Acid Gone Extra Strength are  antacids  that can lower the acidity of stomach acid.

Acid Gone Extra Strength is a combination medicine that is used to treat  heartburn , acid  indigestion , sour stomach, or  upset stomach .

Acid Gone Extra Strength may also be used for purposes not listed in this medication guide.


Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions,  allergies , and all medicines you use.

Before taking this medicine

Ask a doctor or pharmacist if Acid Gone Extra Strength is safe to use if:

  • you have a  peptic ulcer ; or
  • you are on a low-salt diet.

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

How should I take Acid Gone Extra Strength?

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

Shake the oral suspension (liquid) before you measure a dose. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

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 chewable tablets in 24 hours.

Do not take more than 8 tablespoonfuls of “regular strength” liquid or 16 teaspoonfuls of “extra strength” liquid 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.

Detailed Acid Gone Extra Strength dosage information

What happens if I miss a dose?

Since Acid Gone Extra Strength is used when needed, you may not be on a dosing schedule. Skip any missed dose if it’s almost time for your next dose. Do not use two doses at one time.

What happens if I overdose?

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

What should I avoid while taking Acid Gone Extra Strength?

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

Acid Gone Extra Strength side effects

Get emergency medical help if you have signs of an allergic reaction:  hives ; difficult 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 may report side effects to FDA at 1-800-FDA-1088.

Acid Gone Extra Strength side effects  (more detail)

What other drugs will affect Acid Gone Extra Strength?

Other drugs may affect Acid Gone Extra Strength, 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.

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