| TRADE | COUNTRY |
| 3TC | Argentina |
| 3TC | Canada |
| 3TC | Costa Rica |
| 3TC | Dominican Republic |
| 3TC | El Salvador |
| 3TC | Guatemala |
| 3TC | Honduras |
| 3TC | Hong Kong |
| 3TC | Indonesia |
| 3TC | Korea |
| 3TC | Malaysia |
| 3TC | Mexico |
| 3TC | New Zealand |
| 3TC | Nicaragua |
| 3TC | Panama |
| 3TC | South Africa |
| 3TC | Uruguay |
| 3TC-HBV | Indonesia |
| Epivir | Brazil |
| Epivir | Ecuador |
| Epivir | Paraguay |
| Epivir | Peru |
| Epivir | Singapore |
| Epivir | Thailand |
| Epivir | Venezuela |
| epivir 3TC | Chile |
| Heptodin | China |
| Heptovir | Canada |
| Inhavir | Colombia |
| Ladiwin | South Africa |
| Lamidac | India |
| Zeffix | Australia |
| Zeffix | Israel |
| Zeffix | Philippines |
| Zeffix | Singapore |
| Zeffix | Taiwan |
| Zeffix | Thailand |