3 doctors weighed in:

Should methimazole be dosed on TSH or ft4, t4, t3, (liothyronine) ft3 levels?

3 doctors weighed in
Dr. Joseph Mathews
Internal Medicine - Endocrinology
1 doctor agrees

In brief: All of the above

Methimazole is a thionimide that inhibits the formation of thyroid hormone it is important to measure tsh, ft4 ; ft3 (liothyronine) levels to have a better idea of the physiology causing the hyperthyroidism, ie is it subclinical hyperthyroidism, t3 (liothyronine) preferential secretion, or severe thyrotoxicosis.
The TSH can be very suppressed with only minimally elevated t4/t3 (liothyronine) which would not need as high a dose.

In brief: All of the above

Methimazole is a thionimide that inhibits the formation of thyroid hormone it is important to measure tsh, ft4 ; ft3 (liothyronine) levels to have a better idea of the physiology causing the hyperthyroidism, ie is it subclinical hyperthyroidism, t3 (liothyronine) preferential secretion, or severe thyrotoxicosis.
The TSH can be very suppressed with only minimally elevated t4/t3 (liothyronine) which would not need as high a dose.
Thank
Dr. Sudhir Bansal
Internal Medicine - Endocrinology

In brief: Anti thyroid med

Doses of medicine in disease state correction is based on clinical evaluations and supplementation by lab testswe can not provide a test or the specific lab value to replace evaluations of a physcian in whom u have total confidence.

In brief: Anti thyroid med

Doses of medicine in disease state correction is based on clinical evaluations and supplementation by lab testswe can not provide a test or the specific lab value to replace evaluations of a physcian in whom u have total confidence.
Thank
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