When you drink a lot of carbonated drinks, the first thing your stomach feels is gas. These drinks are filled with carbon dioxide. Once the liquid warms up inside your stomach, that gas is released as bubbles. The bubbles stretch the stomach walls, creating pressure. This is why people feel bloated, tight, or uncomfortable after fizzy drinks. Burping is the body’s way of releasing that trapped gas, but until it escapes, the stomach stays stretched and irritated. Carbonated drinks also affect sto