Over-the-counterLower-cost generic availableClass: Gastrointestinal


(aluminum / magnesium / simethicone)

Over-the-counterLower-cost generic availableClass: Gastrointestinal
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Relieves heartburn and acid tummy.

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Our bottom line

Maalox (Aluminum / Magnesium / Simethicone) gives quick relief for heartburn, gas, and bloating. It may not be as effective or last as long as alternative antacids though.

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  • Works really fast.
  • Available over the counter without a prescription.
  • Cheap.
People say this drug is:
213 reviews


  • Doesn't last very long.
  • Other antacids like Zantac (H2 blockers) and omeprazole (proton pump inhibitors) can work better and last longer.
  • Some people don't care for the taste.
How it works

Maalox (Aluminum / Magnesium / Simethicone) is a combination medicine for stomach trouble. Aluminum and magnesium are antacids that relieve heartburn and acid tummy (indigestion). Simethicone relieves gas and bloating.

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Side effect rates for Maalox (aluminum / magnesium / simethicone)

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These are side effects of Maalox (aluminum / magnesium / simethicone) reported to the FDA by people taking it, and by doctors and pharmacists.
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Risks and Warnings for Maalox (aluminum / magnesium / simethicone)

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    • Higher risk if:
    • Age 65 or older

    Elderly are more likely to have stomach side effects like diarrhea or constipation while using Maalox (Aluminum / Magnesium / Simethicone). Diarrhea can increase your risk for an electrolyte imbalance in your blood. You may need to stop taking Maalox (Aluminum / Magnesium / Simethicone) and talk with your doctor about an alternative.

Common concerns from people taking Maalox (aluminum / magnesium / simethicone)

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  • Take 1-3 hours after a meal.
Kidneys and liver
  • People with kidney disease may need to avoid Maalox. Ask your doctor.
  • If you have kidney disease Maalox (Aluminum / Magnesium / Simethicone) can build up in your blood. This may can cause toxic levels of aluminum or magnesium in your body. This is more likely if you have severe kidney disease (defined as a kidney function blood test called GFR of less than 30ml/min). If you have severe kidney disease or are on kidney dialysis don't use Maalox (Aluminum / Magnesium / Simethicone); a different antacid would be better for you.