Antiretroviral Reference Tables

Reference tables are available for viewing and download on the AIDSInfo website, maintained by the NIH.

Download all Reference Tables from the U.S. Adult and Adolescent Antiretroviral Guidelines. (PDF)

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Abbreviations for Dosing Terminology

BID
twice daily
BIW
twice weekly
IM
intramuscular (injection), intramuscularly
IV
intravenous (injection), intravenously
PO
oral, orally
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
four times daily
QOD
every other day
QPM
every evening
TID
three times daily
TIW
three times weekly