Hepatitis causes inflammation of the Liver. Hepatitis viruses are the most common cause of hepatitis in the world but other infections, toxic substances, and autoimmune diseases can also cause hepatitis. Dr. Abhijeet Bhavsar Consultant Gastroenterologist elaborates about the hepatitis virus infection, related causes and symptoms. He tells that all 5 main hepatitis viruses, referred to as types A, B, C, D and E are of greatest concern because of the burden of illness and death they cause. So he advices patients with warning signs to immediately consult their doctor for early diagnosis & treatment.