aluminum hydroxide, magnesium hydroxide, simethicone antacids (Mylanta, Mylanta Maximum Strength) (cont.)

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Medical and Pharmacy Editor:

200 mg aluminum hydroxide, 200 mg magnesium hydroxide, 25 mg simethicone


225 mg aluminum hydroxide, 200 mg magnesium hydroxide, 25 mg simethicone per 5 ml.

STORAGE: Aluminum and magnesium antacids should be stored at room temperature 20 C to 25 C (68 F to 77 F).

PRESCRIBED FOR: Aluminum and magnesium antacids are used for acid indigestion, heartburn, and sour stomach. Simethicone containing antacids provide additional relief from bloating and pressure due to gas.


  • Adults and children of 12 years and older: Take 2 to 4 teaspoons (10-20 ml) or 2 to 4 tablets by mouth every 4 to 6 hours one before or 3 hours after a meal. Do not take more than 12 tablets a day.
  • Children under 12 years of age: Consult a doctor.

DRUG INTERACTIONS: Aluminum and magnesium antacids should be used with caution with medications like atazanavir (Reyataz), ciprofloxacin (Cipro, Cipro XR, Proquin XR), dapsone, dasatinib (Sprycel), and tetracycline because antacids can slow down absorption of these medications.

PREGNANCY: There are no adequate studies done on antacids to determine safe and effective use in pregnant women.

NURSING MOTHERS: It is not known whether antacids enter breast milk; therefore, it is best to be cautious before using it in nursing mothers.

SIDE EFFECTS: Side effects of aluminum and magnesium antacid are chalky taste, nausea, vomiting, diarrhea, stomach cramps, and diarrhea.


Maalox, Mylanta – Prescribing Information. Maalox, Mylanta.

Medically Reviewed by a Doctor on 5/16/2014

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