Abacavir and lamivudine combination will not cure or prevent HIV infection or the symptoms of AIDS. abacavir and lamivudine helps keep HIV from reproducing, and appears to slow down the destruction of the immune system. This may help delay the development of serious health problems usually related to AIDS or HIV infection. Abacavir and lamivudine combination will not keep you from spreading HIV to other people. People who receive abacavir and lamivudine may continue to have other problems usually related to AIDS or HIV infection.