Fixed-dose combinations

In addition, there are also several fixed-dose combination pills that combine two or more NRTIs with an NtRTI in a single tablet:

• AZT + 3TC (Combivir): the two NRTIs zidovudine and lamivudine
• AZT + 3TC + ABC (Trizivir): the NRTIs zidovudine, lamivudine and abacavir
• 3TC + ABC (Kivexa /Epzicom): two NRTIs
• FTC + TDF (Truvada): the NRTI emtricitabine with the NtRTI tenofovir

There is one fixed-dose combination pill combining all three types of reverse transcriptase inhibitors:

• FTC + TDF + EFV (Atripla): one NRTI, one NtRTI, and the NNRTI efavirenz.