Hypothyroidism, Adult

Clinical and metabolic state resulting from decreased levels of free thyroid hormone or from resistance to hormone action

Primary (intrinsic thyroid disease) or central (secondary or ...

Lethargy

Fatigue

Cold intolerance

Slowed thinking

Hearing impairment

Constipation

Dry skin

Muscle cramps, arthralgias, paresthesias

Modest weight gai...

Levothyroxine (Synthroid, Levothroid)

• 1.5 to 1.8 μg/kg/day (use ideal body weight) (2)[A]; titrate by 12.5 to 25.0 μg/day every 4 to 8 weeks until TSH in normal range.

• Dosa...

Monitor TSH and free T₄ every 4 to 8 weeks after initiating treatment or after change in dose. Once stabilized, periodic TSH level should be don...

E03.9 Hypothyroidism, unspecified

E06.3 Autoimmune thyroiditis

E89.0 Postprocedural hypothyroidism

E05.10 Thyrotxcosis w toxic sing thyroid nodule w/o thyrotxc crisis

E05.21 Thyrotxcosis w toxi...

Screening test: TSH levels; Serum free T₃ or total T₃ should not be done to diagnose hypothyroidism (1)[A].

Monitor TSH and free T₄ every 4 to 8 weeks after initiating treatment or afte...