100mg tablets

250mg tablets

Co formulated with lamivudine as Combivir

Co formulated with lamivudine and Abacavir as Trizivir

250mg twice daily

infant 

Oral Term (>34 weeks): 4 mg/kg twice daily

Premature (30–34 weeks): 2 mg/kg twice daily for 2 weeks then 2 mg/kg three times a day for 2 weeks

Premature (<30 weeks):  2 mg/kg twice daily for 4 weeks

Intravenous

Term: 1.5 mg/kg four times a day

Prem: 1.5 mg/kg twice daily

myelosuppression, anaemia, nail pigmentation 

reduce oral dose to 300–400 mg daily in divided doses or intravenous dose to 1 mg/kg 3–4 times daily if eGFR is less than 10 mL/minute/1.73 m²

FDA Pregnancy Category C status

indicated for the prevention of maternal-fetal HIV-1 transmission.