2 doctors weighed in:
My free T3 level should be checked how often if I am on synthroid (thyroxine)?
2 doctors weighed in

Dr. Carol Cheney
Internal Medicine - Endocrinology
1 doctor agrees
In brief: Never
In hypothyroidism, the TSH is the best indicator of whether you are on an adequate dose of medication.
Checking T3 (liothyronine) is generally only useful in patients whose thyroid is overactive.

In brief: Never
In hypothyroidism, the TSH is the best indicator of whether you are on an adequate dose of medication.
Checking T3 (liothyronine) is generally only useful in patients whose thyroid is overactive.
Dr. Carol Cheney
Dr. Carol Cheney
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