A member asked:

After 1mo of taking methimazole, my ft4 37.7 became 12.3 & tsh 0.008 to 0.005. is it normal that my tsh would drop?

A doctor has provided 1 answer
Dr. Quang Nguyen answered

Specializes in Endocrinology

Yes: Tsh takes a long time to change. Your T4 is dropping so the med is working. You won't normalize your TSH for probably 3 or more months.

Answered 9/30/2018

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