Antigas medications are used to treat bloating, gas, and discomfort in the stomach or intestines. These medications work by breaking up gas bubbles in your stomach and intestines, making it easier for your body to get rid of them. Antigas medications come in different forms, including oral tablets, chewable tablets, and liquid drops. An example includes simethicone (Gas-X), which is available in various forms to suit your preference. By using these medications, you can find relief from the uncomfortable symptoms of gas and bloating.