Drug Class: Nucleoside RT Inhibitors

Abbreviation	Generic Names	Brand Names
3TC	Lamivudine	Epivir
ABC	Abacavir	Ziagen
D4T	Stavudine	Zerit
DDC	Zalcitibine	Hivid
DDI	Didanosine	Videx
FTC	Emtricitabine	Emtriva
TDF	Tenofovir	Viread
AZT	Zidovudine	Retrovir

Drug Class: Non-Nucleoside RT Inhibitors

Abbreviation	Generic Names	Brand Names
DLV	Delavirdine	Rescriptor
EFV	Efavirenz	Sustiva, Strocrin
NVP	Nevirapine	Virammune
ETR	Etravirine	Etravirine

Drug Class: Protease Inhibitors

Abbreviation	Generic Names	Brand Names
APV fAPV	Amprenavir Fos-amprenavir	Agenerase Lexiva
ATV	Atazanavir	Reyetaz
IDV	Indinavir	Crixivan
LPV/r	Loprinavir/ritonavir	Kaletra
NFV	Nelfinavir	Viracept
RTV	Ritonavir	Norvir
SQV	Saquinavir	Fortovase and Invirase
TPV	Tipranavir	Aptivus
DRV (TMC114)	Darunavir	Prezista

Drug Class: Fusion Inhibitors

Abbreviation	Generic Names	Brand Names
T20 (ENF)	Enfuvirtide	Fuzeon

Drug Class: Integrase Inhibitors

Abbreviation	Generic Names	Brand Names
RAL	Raltegravir	Raltegravir
EVG	Elvitegravir	Elvitegravir

Drug Class: CCR5 Inhibitors

Abbreviation	Generic Names	Brand Names
MVC	Maraviroc	Celsentri

Single-pill combination

Abbreviation	Brand Names
AZT+3TC	Combivir
TDF+FTC	Truvada
ABC+3TC	Epzicom
AZT+3TC+ABC	Trizivir
TDF+FTC+EFV	Atripla
D4T+3TC+NVP
AZT+3TC+NVP
AZT+3TC+EFV
D4T+3TC+EFV

Entries to indicate uncertainty

Abbreviation
NRTI	One or more NRTIs prescribed but the specific drug(s) not known
NNRTI	One or more NNRTIs prescribed but the specific drug(s) not known
RTI	One or more NRTIs, NNRTIs, or both were presecribed but the specific drug(s) not known
PI	One or more PIs prescribed but the specific drug(s) not known
FI	One or more Fusion Inhibitors prescribed but the specific drug(s) not known
INI	One or more Integrase Inhibitors prescribed but the specific drug(s) not known
CRI	One or more CCR5 Inhibitors prescribed but the specific drug(s) not known
Unknown	One or more ARV may have been prescribed but the specific drug class the drugs belonged to is not known.