Viral hepatitis is a disease of the liver caused by a virus. Untreated, viral hepatitis can lead to serious liver problems, like scarring or cancer. Even if you don’t have any symptoms, you can spread viral hepatitis. Getting tested is the only way to know you have viral hepatitis. Heavy alcohol use, toxins, some medications, and certain medical conditions can cause hepatitis. However, hepatitis is often caused by a virus. Cases can range from mild to severe, with many people not even realizing