“…56 Significant inter-and intra-patient variability of antiretroviral levels in children has been demonstrated, which supports the role of therapeutic drug monitoring in individualizing dosing calculations for pediatric patients. 57 There is a role for pharmacists in accurate calculation of pediatric doses of antiretrovirals (i.e., based on weight, body surface area, and/or age). Therefore, these patient characteristics should be confirmed at each visit to ensure appropriate adjustment of antiretroviral doses as children grow.…”