A Comparison of Emtricitabine and Abacavir Used in a Three-Drug Combination in HIV-Infected Patients Who Have Never Taken Anti-HIV Drugs

Inclusion Criteria You may be eligible if you: * Are HIV-positive and generally healthy. * Have a viral load of 5,000 copies/ml or more. * Have CD4 cell counts of 200 cells/mm3 or more. * Are age 18 or older. * Agree to practice sexual abstinence or use effective barrier methods of birth control (such as condoms). Exclusion Criteria You will not be eligible if you: * Have ever taken anti-HIV drugs for 3 days or more. * Have had certain AIDS-related infections. * Have had severe diarrhea within the past 30 days. * Are unable to eat at least 1 meal a day due to nausea, vomiting, or stomach pain. * Are being treated for active tuberculosis (TB). * Are pregnant or breast-feeding. * Use illegal drugs or alcohol that make it difficult for you to take study drugs or keep clinic appointments. * Are taking certain medications, or have certain other conditions or diseases (see the technical summary for more detail).