An inflammation of the Liver Tissue is called hepatitis. It is usually caused by a virus while there may be other reasons for the same. There are various types of hepatitis depending on the nature of the virus that causes the condition. Other possible causes include autoimmune hepatitis and secondary effects of medications, drugs, alcohol or toxins. Hepatitis may show symptoms such as yellow discoloration of the skin, vomiting, loss of appetite, abdominal pain or diarrhea.