Skip to main content
. 2020 Jul 20;12(7):685. doi: 10.3390/pharmaceutics12070685

Table 2.

Levothyroxine dosing guidelines in newborns, infants, and children for pediatric hypothyroidism. Doses should be individualized to patient response based on clinical response and laboratory parameters (thyrotropin-stimulating hormone (TSH), T4).

Age Dose (µg/kg/day)
0–3 months 10 to 15
3–6 months 8 to 10
6–12 months 6 to 8
1–5 years 5 to 6
6–12 years 4 to 5
>12 years, growth and puberty incomplete 2 to 3
growth and puberty completed 1.7