A hernia is tissue from inside the abdomen that bulges out through a weak spot in the muscles of the abdominal wall. The weak spot may have been present since birth or may develop following surgery, violent or chronic coughing, lifting heavy objects, or from aging.
There are several types of hernias:
A person with a hernia often feels pain, pressure or burning, or a feeling that something has given way.
WebMD Medical Reference from Healthwise