Subclinical hypothyroidism: When to treat.

Azim, Sidra; Nasr, Christian · Cleve Clin J Med · 2019

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Abstract

Subclinical hypothyroidism is defined by an elevated serum thyroid-stimulating hormone (TSH) level along with a normal free thyroxine (T<sub>4</sub>) level. Whether it should be treated remains controversial. Currently, the best practical approach is to base treatment decisions on the degree of TSH elevation, thyroid autoimmunity, and associated comorbidities.

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