lamivudine (3TC®)

lamivudine (3TC®)

Indication

  • In combination with other antiretrovirals, to reduce the risk of HIV vertical transmission from mother to baby

Dosage Guidelines

Gestational age greater than or equal to 32 weeks:

  • Birth to 4 weeks of age: 2 mg/kg/dose ORAL q12 hours
  • Greater than 4 weeks of age:  increase to 4 mg/kg/dose ORAL q12 hours

Gestational age 25 weeks to less than 32 weeks: (based on expert opinion)1

  • Birth to 3 weeks of age: 1.5 mg/kg/dose ORAL q12 hours
  • 3 to 6 weeks of age: increase to 2 mg/kg/dose ORAL q12 hours

Administration

  • ORAL
  • May administer with feeds

Adverse Effects

  • Nausea, feeding intolerance, diarrhea
  • Anemia, thrombocytopenia, neutropenia
  • Increase AST, ALT, bilirubin
  • Pancreatitis

Comments

  • Reduce dosage in patients with renal dysfunction

Supplied As

10 mg/mL oral solution

References

Lexi Sick Kids, Lexi Pediatric and Neonatal, Neofax, Expert Opinion, 2020, Sainte-Justine Hospital, Montreal1