Hepatitis A is a virus which causes an infection of the liver: commonly referred to as jaundice.It is extremely common in the developing countries but most people are immune to it here-because of the habit of eating form roadside eateries . SYMPTOMS symptoms are :loss of appetite Nausea abdominal pain vomiting: passing high colored urine yellow discoloration of the skin and white part of the eyes these symptoms are common to all liver disease in some cases fever also TREARMENT .it is usually self limiting- that is it resolves without any medication an: only a strict diet restriction has to be followed to give the time for the liver to recover.