The liver is one of the organs that helps with digestion but is not part of the digestive tract. It is the largest organ in the body and carries out many important functions, such as making bile, changing food into energy, and cleaning alcohol and poisons from the blood.
Hepatitis is inflammation of the liver that sometimes causes permanent damage. It is caused by viruses, bacteria, certain medications, or alcohol. Generally, symptoms of hepatitis include fever, jaundice, and an enlarged liver. There are several types of hepatitis.