A member asked:

How long would it take for tsh back to normal after taking anti thyroid medications?

A doctor has provided 1 answer
Dr. Quang Nguyen answered

Specializes in Endocrinology

Months: Free T4 and T3 (liothyronine) will drop quickly but TSH will take months to change. We usually dont worry about TSH initially during treatment...But i would expect movements in TSH in about 3 months. Again, as long as your free T4 and T3 (liothyronine) is normalizing, the treatment is working despite a still low tsh.

Answered 1/15/2015

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