Tenofovir alafenamide is used to treat chronic hepatitis B virus (HBV) infection in adults with compensated liver disease. This medicine is available only with your doctor's prescription. Therapy should be initiated by a physician experienced in the management of chronic hepatitis B. In some cases, you may experience headaches, diarrhoea, vomiting, feeling sick (nausea), and rash. Most of these side effects of Tenofovir Alafenamide do not require medical attention and gradually resolve over time. Buy HepBest 25mg Tablet Online at Best Price.