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Magnesium Hydroxide


Treats constipation, upset stomach, or heartburn. This medicine is a laxative and an antacid.

Brand Names

Phillips Milk Of Magnesia
Dulcolax Milk of Magnesia
Health Care America Milk of Magnesia
The Medicine Shoppe Milk of Magnesia
Quality Choice Milk of Magnesia

When You Should Not Take The Medication

You should not use this medicine if you have had an allergic reaction to magnesium hydroxide (milk of magnesia).

How To Store And Dispose Of This Medicine

Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine after you have finished your treatment. You will also need to throw away old medicine after the expiration date has passed.

Store the medicine at room temperature in a closed container, away from heat, moisture, and direct light. Do not freeze.

Keep all medicine out of the reach of children and never share your medicine with anyone.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:
Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Rectal bleeding, blood in stools

If you notice these less serious side effects, talk with your doctor:
Mild diarrhea, cramping

If you notice other side effects that you think are caused by this medicine, tell your doctor.