25 mg Tenofovir Alafenamide Tablets are widely used to treat chronic hepatitis B infection, an infection of the liver. Chronic hepatitis infection is a disease of serious liver damage and liver cancer. These medicines work by stopping the growth of the virus. The dosage is based on the medical condition and other medications the patient is taking. If the patient is taking prescription drugs, herbal products, nonprescription drugs and other medicines, he or she should tell the doctor before taking these 25 mg Tenofovir Alafenamide Tablets.