Hepatitis B antiviral drugs, including nucleoside antivirals and pegylated interferon. Nucleoside antivirals include lamivudine, adefovir, telbivudine, entecavir, tenofovir. Lamivudine is available in boxes of 14 capsules at$140 per box. Adefovir 14 capsules per box,$120 per box. Tebivudine 7 capsules per box,$105 per box. Entecavir 7 capsules per box,$85 per box. Tenofovir 30 capsules per box,$470 per box. PEGylated interferon 180μg at$995 per stick. PEGylated interferon 135μg,$760 per stick.