The use of simethicone as other over the counter remedies will help you with your gas issues but you will have to taker better care of your diet.One way to manage flatulence and belching is to eat fewer of the well-known gassy foods. Common culprits include: certain fruits, like apples and pears; specific vegetables, such as broccoli, Brussels sprouts, and onions; whole grains like bran; and dairy products, including milk, cheese, and ice cream. These items contain fiber, sugars, and starches that don't digest or absorb easily, eventually causing intestinal gas.If you drink liquids with your meals, you lose stomach acids and can’t break down food as well. Try drinking about 30 minutes before a meal to help your stomach digest better.When you eat or drink fast, you can swallow a lot of air, which can cause gas. The simple solution? Slow down when you eat. If you have dentures, check with your dentist to be sure they fit properly so you’re not gasping air while eating.As annoying as it might be, some gas is a natural byproduct of the body’s digestive system. But if your gas is excessive, painful, or chronic, talk to your doctor about possible causes and remedies.