How can gas lead to chest pain?

Gas in your digestive system can cause chest pain by making your stomach and intestines expand and press against nearby organs. During digestion, your body naturally produces gas as food breaks down, but some people may experience excess gas buildup. This can result in sharp or burning chest pain. When gas triggers burping or acid reflux, you may feel pain or a burning sensation that resembles heartburn. Gas pressure can also push against your diaphragm—the muscle that helps you breathe—creating chest tightness or discomfort. While this pain might feel like it's coming from your heart, it's actually your digestive system at work. While gas can cause chest pain, chest pain can also be a sign of serious medical conditions. If you're experiencing chest pain and want to understand what might be causing it, try our free AI symptom checker and talk to your healthcare provider about your symptoms.