Antacids are over-the-counter (OTC) medications that help relieve heartburn or indigestion by reducing stomach acid. While they provide quick relief, antacids can also cause side effects, especially when overused. These side effects can vary depending on the type of antacid you take.

1. Constipation

Antacids that contain calcium, such as Tums ( calcium carbonate ), are associated with constipation, as well as bloating and gas. Aluminum-containing antacids can also cause constipation.

If constipation is a concern, you can choose an antacid that does not contain calcium or aluminum. If you're unsure how to check the ingredients, you can always ask your pharmacist for help.

You can also take steps to help prevent constipation if your preferred antacid contains calcium or aluminum. For

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