PediRounds

Levothyroxine — paediatric dose

Weight-based dosing for Levothyroxine in children. Category: Endocrine.

DoseCongenital hypothyroidism 10-15 mcg/kg/day; dose falls with age
Per kg10–15 mcg/kg
RoutePO
Frequencydaily

Clinical notes

Value shown is the daily dose. Recheck TSH/free T4 and titrate.

Sources

  • Nelson Textbook of Pediatrics, 21st edition
  • The Harriet Lane Handbook, 22nd edition
  • BNF for Children
  • PALS 2020 guidelines