Question

A 36-year-old woman presents with fatigue, weight gain, cold intolerance and constipation. TSH is 18 mIU/L and free T4 is low. According to Canadian thyroid management practice, what is the most appropriate initial therapy?

Accepted Answer

Start levothyroxine at an appropriate weight-based dose

Answer

Begin liothyronine (T3) alone

Answer

Use desiccated thyroid extract

Answer

Reassure and repeat thyroid tests in 1 year

Answer

Treat with iodine supplements only

Practice question

A 36-year-old woman presents with fatigue, weight gain, cold intolerance and constipation. TSH is 18 mIU/L and free T4 is low. According to Canadian thyroid management practice, what is the most appropriate initial therapy?