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Do you recommend repeat TSH testing after a patient switches from brand-name to generic levothyroxine?

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Do you recommend repeat TSH testing after a patient switches from brand-name to generic levothyroxine?

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1 Answer
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Endocrinology · Emory University School of Medicine
Answered on

Yes. Because the FDA allows for variability in generics and the fact that some patients are very sensitive to small changes in their levothyroxine dose, I do repeat TSH after a patient switches levothyroxine formulations.

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