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A member asked:
How quickly can a blood test show changes in tsh?
2 doctors weighed in across 2 answers
Depends on med: It depends on which type of medication, those containing T3 (liothyronine) will change the TSH quite rapidly whilet4 will take longer. Either way we usually wait at least a month to retest so that the result is stabilized to the current dose. Tsh changes in those not on medication will depend on the medical condition, if any, that is present.
Answered 10/27/2018
6.3k views
Weeks: Agree with Dr. L. It takes weeks to see noticeable changes in TSH levels.
Answered 10/27/2018
257 views
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