Hepatitis is an inflammation of the liver that can be caused by various factors, including viruses, alcohol use, medications, and autoimmune diseases. The most common types are viral hepatitis, which includes hepatitis A, B, C, D, and E. Understanding these different types is crucial for prevention, diagnosis, and treatment. Hepatitis A Hepatitis A is a highly contagious liver infection caused by the hepatitis A virus (HAV). It is typically spread through ingestion of contaminated food and water or close contact with an infected person. Symptoms include fatigue, nausea, abdominal pain, loss of appetite, and jaundice. The good news is that hepatitis A is preventable with a vaccine, and most people recover completely with no lasting liver damage. Hepatitis B Hepatitis B is caused by the hepatitis B virus (HBV) and can lead to both acute and chronic liver disease. It is transmitted through contact with infectious body fluids, such as blood, semen, and vaginal fluids. Chronic h