自己做一个小试验，下列三种非处方药，看看哪种有效，既能帮助您诊断，又能治疗...

1. Activated charcoal tablets, such as CharcoCaps, may decrease odor from gas. Charcoal is usually taken after meals or at the first sign of gas discomfort.

2. Antacids, such as Maalox Anti-Gas and Mylanta Gas, allow gas to be belched away more easily. But these medicines often have no effect on gas that is already in the intestines.

3. Food enzymes, such as Beano, which help break down the sugars found in vegetables and grains, can be added to foods that cause you to have gas.