Symptoms

Most hernias cause a bulge under the skin. The location of this bulge depends on the specific type of hernia. For example, an inguinal hernia appears as a bulge in the groin, while an umbilical hernia appears as a bulge near the navel. Some hernias can cause twinges of pain or a pulling sensation, while others do not cause any symptoms. Hernias are usually easier to see and cause more symptoms when you cough or strain.

A hernia is considered incarcerated if a portion of intestine becomes trapped and is unable to slide back into the abdomen. Rarely, the trapped intestine can strangulate - twist and die because its blood supply is cut off. This causes severe pain and requires immediate treatment.