A 28-Year-Old Female Patient Is Diagnosed with Graves' Disease

A 28-year-old female patient is diagnosed with Graves' disease. She is placed on liothyronine. Why is that inappropriate?

A) Liothyronine is synthetic T3. Graves' disease is a state of hyperthyroidism, and Liothyronine is contraindicated..
B) It is not inappropriate; use of liothyronine follows current practice guidelines.
C) She should be given Levothyroxine instead; the Levothyroxine will be converted in vivo to T3.
D) Liothyronine is a Category X drug and should not be given to females of child bearing age.