Entecavir is a guanosine nucleoside analogue with activity against HBV polymerase. Entecavir functionally inhibits all activities of the HBV polymerase (reverse transcriptase).
Barcavir Tablet 0.5 mg
Administration of Entecavir with food decreases absorption and so it should be taken in an empty stomach (at least 2 hours before or 2 hours after meal).
Adult over 16 years, not previously treated with nucleoside analogues: 0.5 mg once daily.
Adult over 16 years with lamivudine or telbivudine resistant chronic hepatitis B: 1 mg once daily.