Appendix E: Pediatric Dosing Guidelines for Selected Antiretroviral Drugs

Drug Pediatric dose Maximum dose Commonly available formulations
Nucleoside reverse transcriptase inhibitors (NRTIs)
Zidovudine (AZT) 8-15 mg/kg (180-300 mg/m2) 2x/day Postpartum prophylaxis: 4 mg/kg 2x/day for 1-6 weeksa Max 300 mg 2x/day Syrup: 10 mg/ml Capsule: 100 mg Tablet: 300 mg
Lamivudine (3TC) 4 mg/kg 2x/day Max 150 mg 2x/day Syrup: 10 mg/ml Tablet: 150 mg
Stavudine (d4T) 1 mg/kg 2x/day Max 40 mg 2x/day Syrup: 1 mg/ml Capsule: 30 mg, 40 mg
Abacavir (ABC) 8 mg/kg 2x/day Max 300 mg 2x/day Syrup: 20 mg/ml Tablet: 300 mg
Nonnucleoside reverse transcriptase inhibitors (NNRTIs)
Nevirapine (NVP) Induction dose (14 days): 4 mg/kg/day (200 mg/m2) Maintenance dose, <8 years: 7 mg/kg 2x/day Maintenance dose, ≥8 years: 4 mg/kg 2x/day Postpartum prophylaxis: 4 mg/kg for 6 weeksb Max 200 mg 2x/day Syrup: 10 mg/ml
Efavirenz (EFV) ~15 (10-20) mg/kg/day Max 600 mg/day Capsule: 200 mg Tablet: 600 mg
Protease inhibitors (PIs)
Lopinavir/ Ritonavir (LPV/RTV) <15 kg 12/3 mg/kg 2x/day; ≥15 kg 10/2.5 mg/kg Max 400/100 mg 2x/day Capsule: 133.33/33.33 mg Tablet: 200/50 mg
Nelfinavir (NFV) 55 mg/kg 2x/day Max 1250 mg 2x/day Tablet: 250 mg
Fixed-Dose Combinations
Formulations Pediatric dose Maximum dose
AZT 300 mg + 3TC 150 mg 2x/day
Max 1 tablet 2x/day
3TC 150 mg + d4T 30 mg
3TC 150 mg + d4T 40 mg
3TC 150 mg + d4T 30 mg + NVP 200 mg

a AZT can be used alone or in combination with NVP for HIV-exposed infants postpartum, depending on what treatment the mother has received (see Protocol 2.4).

b NVP is used in combination with AZT for HIV-exposed infants postpartum (see Protocol 2.4).