Overview: Magnesium antacids are taken to help relieve indigestion, heartburn, or a sour stomach. You may notice that your poop may be loose, watery, or more frequent when taking a magnesium antacid.

Antacids are medications that people can buy over the counter to help relieve heartburn and indigestion. They work by neutralizing stomach acid. Heartburn is a burning pain that appears in the center ...

Overview: Calcium antacids are taken to help relieve indigestion, heartburn, or a sour stomach. If you have these symptoms for more than two weeks, you should talk with your health care provider.