Medicines labeled for the same conditions
Alternatives to entecavir
4 other medicines are given the same way (oral) and in the same FDA class as entecavir or labeled mainly for the same use (hepatitis b); 4 are in its class, hepatitis b virus nucleoside analog reverse transcriptase inhibitors: lamivudine, tenofovir disoproxil, adefovir dipivoxil and tenofovir alafenamide (FDA labels read October 8, 2026). In the same class, the lowest pharmacy cost is $0.294 per tenofovir disoproxil fumarate 300 mg tablet (what pharmacies paid in the NADAC survey; strengths differ).
Which medicines are labeled for the same conditions as entecavir?
Hepatitis B lists all 7 medicines labeled for it, by any route. Each row shows the conditions both labels name. They are listed as public records, not as substitutes: whether one can replace another depends on the person and is a prescriber's decision.
| Medicine and FDA class | Shared indication | Generic labelers (oral) | Pharmacy cost | Boxed warning | Shortage |
|---|---|---|---|---|---|
| Entecavirhepatitis b virus nucleoside analog reverse transcriptase inhibitor | this medicine | 16 labelers | $0.219 per tablet 0.5 mg tablet | Yes | No current entry |
| Lamivudinehepatitis b virus nucleoside analog reverse transcriptase inhibitor · same class | Hepatitis B | 14 labelers | $0.489 per tablet 150 mg tablet | Yes | No current entry |
| Tenofovir disoproxilhepatitis b virus nucleoside analog reverse transcriptase inhibitor · same class | Hepatitis B | 15 labelers | $0.294 per tablet 300 mg tablet | Yes | No current entry |
| Adefovir dipivoxilhepatitis b virus nucleoside analog reverse transcriptase inhibitor · same class | Hepatitis B | 2 labelers | $21.73 per tablet 10 mg tablet | Yes | No current entry |
| Tenofovir alafenamidehepatitis b virus nucleoside analog reverse transcriptase inhibitor · same class | Hepatitis B | none listed | $51.98 per tablet 25 mg tablet | Yes | No current entry |
Source: FDA drug labels (indications) via openFDA; FDA NDC Directory; CMS NADAC of October 7, 2026; FDA Drug Shortage Database (FDA files October 8, 2026)
What do pharmacies pay for each?
The headline NADAC price per unit of each medicine's most widely listed form; strengths differ, so compare like with like on each record.
Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price
What next?
- Entecavir: the full record
- label, generics, price, shortages, recalls