Adult Hypothyroidism Initially 50-100 mcg increased by increments of 25-50 mcg every 14 days to achieve euthyroid state. Maintenance: 100-200 mcg daily.
Suppression of TSH 2.6 mcg/kg.
Elderly patient w/ CV disorder Initially 12.5 mcg daily increased by increments of 12.5-25 mcg every 4 wk.
>60 yr Maintenance: 25% lower than in younger adult.
Childn >12 yr 2-3 mcg/kg, usual dose of 100-200 mcg daily.
6-12 yr 100-150 mcg daily replacement dose is given calculated at 4-5 mcg/kg.
1-5 yr 75-100 mcg daily replacement dose is given calculated at 5-6 mcg/kg.
>1 yr Starts w/ 2.5-5 mcg/kg daily.
6-12 mth 6-8 mcg/kg usually comprising of about 50-75 mcg daily.
<6 mth 8-10 mcg/kg w/ daily replacement dose of 25-50 mcg.
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