Posted in Web Belching, gas and bloating: Tips for reducing them – Mayo Clinic February 5, 2025 Belching or passing gas, also called flatus, is natural and common. Excessive belching or flatus, along with bloating, pain or swelling of the belly, can sometimes interfere with daily activities or cause embarrassment. https://www.mayoclinic.org/diseases-conditions/gas-and-gas-pains/in-depth/gas-and-gas-pains/art-20044739