1. Chronic liver disease includes chronic hepatitis and liver cirrhosis. Chronic hepatitis can be caused by viruses, autoimmune disorders, drugs, genetics, and other factors. 2. Chronic hepatitis presents with a range of symptoms depending on pathology and cause, from mild illness to more severe liver disease. Treatment aims to eliminate the cause and reduce liver cell damage. 3. Chronic hepatitis B, C, and D are treated to eliminate the viruses and stop liver disease progression. Treatment includes antiviral drugs and interferon. Transplant may be used for decompensated disease.