What Is the Recommended Dosage for Milk of Magnesia?

The recommended dosage for Milk of Magnesia is 1 to 2 teaspoons orally for use as an antacid, or 1 to 2 tablespoons orally for relief of constipation. Milk of Magnesia is an over-the-counter medication for adults and children 12 years and older, used to provide temporary relief for upset stomach, heartburn, acid indigestion and constipation.

Milk of Magnesia helps relieve symptoms of upset stomach and acid indigestion by lowering the levels of acid in the stomach. It is also believed to help with constipation by drawing water back into the intestines to help produce a bowel movement.

Overusing this medication has the potential to lead to dehydration, diarrhea or chemical imbalances. It is not recommend to take Milk of Magnesia for longer than two weeks, unless directed by a primary care physician.