HIV/AIDS

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Abbreviations for Antiretroviral Drugs and Dosing Instructions

for Health Care Providers

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