| Class & Generic Name | Brand & Other Name | Capsules | Tablets | Liquid | Powder | IV |
| Non-Nucleoside Reverse Transcriptase Inhibitors (NNRTIs) |
| Delavirdine | Rescriptor, DLV | X | | | | |
| Efavirenz | Sustiva, EFV | X | X | | | |
| Etravirine | Intelence, TMC125 | | X | | | |
| Nevirapine | Viramune, NVP | | X | X | | |
| Nucleoside/Nucleotide Reverse Transcriptase Inhibitors (NRTIs) |
| Abacavir | Ziagen, ABC | | X | X | | |
| Abacavir/Lamivudine | Epzicom | | X | | | |
| Abacavir/Lamivudine/Zidovudine | Trizivir | | X | | | |
| Didanosine | Videx, Videx EC, ddI | X | X | | X | |
| Emtricitabine | Emtriva, FTC | X | | X | | |
| Emtricitabine/Tenofovir DF | Truvada | | X | | | |
| Lamivudine | Epivir, 3TC | | X | X | | |
| Lamivudine/Zidovudine | Combivir | | X | | | |
| Stavudine | Zerit, d4T | X | | X | | |
| Tenofovir DF | Viread, TDF | | X | | | |
| Zidovudine | Retrovir, AZT, ZDV | X | X | X | | X |
| Protease Inhibitors (PIs) |
| Amprenavir | Agenerase, APV | X | | X | | |
| Atazanavir | Reyataz, ATV | X | | | | |
| Darunavir | Prezista, TMC114 | | X | | | |
| Fosamprenavir | Lexiva, FPV | | X | X | | |
| Indinavir | Crixivan, IDV | X | | | | |
| Lopinavir/Ritonavir | Kaletra, LPV/r | X | X | X | | |
| Nelfinavir | Viracept, NFV | | X | | X | |
| Ritonavir | Norvir, RTV | X | | X | | |
| Saquinavir | Invirase, SQV | X | X | | | |
| Tipranavir | Aptivus, TPV | X | | | | |
| Entry/Fusion Inhibitors |
| Enfuvirtide | Fuzeon, T-20 | | | | X* | |
| Maraviroc | Selzentry, Celsentri, MVC | | X | | | |
| Integrase Inhibitors |
| Raltegravir | Isentress, MK-0518 | | X | | | |
| Multiclass Fixed-Dose Combination |
| Efavirenz/Emtricitabine/Tenofovir DF | Atripla | | X | | | |
| * Mix with water and give as a subcutaneous injection |
This information is based on the U.S. Food and Drug Administration's Drugs Used in the Treatment of HIV Infection (available at: www.fda.gov/oashi/aids/virals.html).