Milk of magnesia is used to treat heartburn and constipation. It is a common over-the-counter (OTC) medication. Milk of magnesia, used as a laxative and antacid, brings rapid relief of symptoms.

Milk of magnesia is an over-the-counter (OTC) treatment for constipation. It works by drawing water into the bowel and softening stool, making passing easier. It can also soothe indigestion and ...