Question

A 38-year-old woman presents with fatigue, cold intolerance, and weight gain. TSH is 14 mIU/L (normal 0.4-4.0), and free T4 is low. She is not pregnant. According to Canadian thyroid management guidelines, what is the most appropriate treatment?

Accepted Answer

Start levothyroxine replacement therapy

Answer

Observe and repeat thyroid function in 6 months

Answer

Start combination T4/T3 therapy

Answer

Start antithyroid medication (methimazole)

Answer

Refer for thyroidectomy

Practice question

A 38-year-old woman presents with fatigue, cold intolerance, and weight gain. TSH is 14 mIU/L (normal 0.4-4.0), and free T4 is low. She is not pregnant. According to Canadian thyroid management guidelines, what is the most appropriate treatment?