Entecavir 0.5 Mg Tablet, commonly known as Entewell 0.5 Mg Tablet, is a very effective antiviral medicine for chronic hepatitis B infection. This medication, sold under the names Entewell and Entecavir, works by stopping the virus from replicating and lowering its levels in the body. Regular usage of Entecavir 0.5 can enhance liver function and reduce the risk of problems.