Hepatitis refers to liver inflammation, commonly caused due to viral infection, but there are other causes of hepatitis. They vary from autoimmune hepatitis to non-viral modes such as- medications, drugs, toxins, and alcohol. What are the 5 types of Hepatitis? Viral hepatitis includes hepatitis virus A, B, C, D, and E. These strains of the virus are responsible for each type of virally transmitted hepatitis.