Font Size. A. A. A. Nerve blocks are used for pain treatment and management. Often a group of nerves, called a plexus or ganglion, that causes pain to a specific organ or body region can be blocked with the injection of medication into a specific area of the body. The injection of this nerve-numbing substance is called a nerve block.
Symptoms & Causes. The most common symptoms of gas include burping, passing gas, bloating, and pain in your abdomen. Gas normally enters your digestive tract when you swallow air and when bacteria in your large intestine break down certain undigested foods. Doctors may diagnose the causes of gas with a medical history and physical exam.
Bloating: Gas buildup in your stomach and intestines. When gas doesn't pass through belching or flatulence, it can build up in the stomach and intestines and lead to bloating. With bloating, you may also have abdominal pain that can vary from mild and dull to sharp and intense. Passing gas or having a bowel movement may relieve the pain. Bloating may be related to: