Abbreviations for Antiretroviral Drugs and Dosing Instructions Commonly Used in This Manual

Dosing Terminology

• BID = twice daily
• IM = intramuscular
• IV = intravenous
• PO = orally
• PRN = as needed
• Q2H, Q4H, etc = every 2 hours, every 4 hours, etc
• QAM = every morning
• QD = once daily
• QH = every hour
• QHS = every night at bedtime
• QID = 4 times per day
• QOD = every other day
• TID = 3 times per day
• TIW = 3 times per week

Antiretroviral Terminology

• ART = antiretroviral therapy
• ARV = antiretroviral
• FI = fusion inhibitor
• NNRTI = nonnucleoside reverse transcriptase inhibitor
• NRTI = nucleoside (or nucleotide) reverse transcriptase inhibitor
• PI = protease inhibitor

Antiretroviral Drugs

• 3TC = lamivudine
• ABC = abacavir
• APV = amprenavir
• ATV = atazanavir
• d4T = stavudine
• ddC = zalcitabine
• ddI = didanosine
• DLV = delavirdine
• DRV = darunavir
• EFV = efavirenz
• ENF = enfuvirtide
• ETR = etravirine
• FPV = fosamprenavir
• FTC = emtricitabine
• IDV = indinavir
• LPV/r = lopinavir/ritonavir
• MVC = maraviroc
• NFV = nelfinavir
• NVP = nevirapine
• RAL = raltegravir
• RTV = ritonavir
• /r = ritonavir, low dose
• SQV = saquinavir
• TDF = tenofovir
• TPV = tipranavir
• ZDV = zidovudine