Question

A 45-year-old woman presents with a 3-month history of fatigue, weight gain, cold intolerance and constipation. Examination shows dry skin and delayed ankle reflexes. TSH is 18 mIU/L (0.4-4.0) and free T4 is low. She is not pregnant. What is the most appropriate initial levothyroxine dose?

Accepted Answer

50 micrograms daily

Answer

25 micrograms daily

Answer

75 micrograms daily

Answer

100 micrograms daily

Answer

200 micrograms daily

Practice question

A 45-year-old woman presents with a 3-month history of fatigue, weight gain, cold intolerance and constipation. Examination shows dry skin and delayed ankle reflexes. TSH is 18 mIU/L (0.4-4.0) and free T4 is low. She is not pregnant. What is the most appropriate initial levothyroxine dose?