Antigas agents are medicines that relieve the uncomfortable symptoms of too much gas in the stomach and intestines.

Antigas agents are sold as capsules, liquids, and tablets (regular and chewable) and can be bought without a physician's prescription.

No common or serious side effects have been reported in people who use this medicine. However, anyone who has unusual symptoms after taking an antigas agent should get in touch with his or her physician.

Abdominal pain, pressure, bloating, and flatulence are signs of too much gas. Antigas agents help relieve the symptoms by preventing the formation of gas pockets and breaking up gas that already is trapped in the stomach and intestines.

The ingredient that helps relieve excess gas is simethicone