A woman whose thyroid gland was surgically removed was treated with 0.10 mg thyroxine daily (tablet form). After 3 months of treatment, serial serum TSH levels ranged between 10 and 15 MIU/mL...

A woman whose thyroid gland was surgically removed was treated with 0.10 mg thyroxine daily (tablet form). After 3 months of treatment, serial serum TSH levels ranged between 10 and 15 MIU/mL (reference range = 0.3 – 5.0 MIU/mL). She complained of fatigue, weight gain, and hoarseness. Her dose of thyroid hormone should be adjusted in which direction?

(A) Increased

(B) Decreased

(C) Remain the same