Over-the-counterLower-cost generic available


(Aluminum / Magnesium / Simethicone)

  • Chewable tablet
  • Liquid
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Relieves heartburn and acid tummy.

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Over-the-counterLower-cost generic available

Our pharmacists’ 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.
  • 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.
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Side effects 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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What to expect when you start Maalox (Aluminum / Magnesium / Simethicone)

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Tips from our pharmacists
  • Take 1-3 hours after a meal.
  • Take 1-2 hours apart from other medication that you take by mouth.
  • Tell your doctor if you have severe diarrhea or constipation.
  • People with kidney disease may need to avoid Maalox. Ask your doctor.

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.

Means that some groups have a high risk of experiencing this side effect

Tips from pharmacists and people taking Maalox (Aluminum / Magnesium / Simethicone)

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The FDA category for this medication is N. It is advised that you: Unknown
  • Tips from our pharmacists
  • Take 1-3 hours after a meal.
Kidneys & liver
  • Tips from our pharmacists
  • People with kidney disease may need to avoid Maalox. Ask your doctor.
  • Risks from our pharmacists
  • 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.