What Is The Treatment For Hepatitis B?

dear respected sir,iam suffering from hepatitis b from last two years.iam 22 years old.i was taking adesera 10 mg.but now this medicine is not available in the market.so doctor has prescribed me tenvir 300 for another 6 months.my health is not very good now.can i be cured completely?please help me get treatment in proper manner.thank u