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HomeHealth QueryTHYROID PROFILE TOTAL (T3, T4, TSH)What is the difference between T3 and T4 thyroxine...
  • Male
  • 45 Years
  • 21/06/2023

Question

What is the difference between T3 and T4 thyroxine?

Doctor 1

Answered by 1 Apollo Doctors

Dr. Dr Siri Nallapu

Dr Siri Nallapu

General Practitioner

  • MBBS
  • 5+ Yrs
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Thyroxine (T4) and triiodothyronine (T3). They are often collectively referred to as thyroid hormone because T4 is largely inactive, meaning it doesn't impact your cells, whereas T3 is active

Dr. Siri Suggests...

Take a APOLIPOPROTEIN EVALUATION PANEL WITH LIPOPROTEIN A Test or Take a Anti HBC Test Test

Book APOLIPOPROTEIN EVALUATION PANEL WITH LIPOPROTEIN A TestBook Anti HBC Test Test

Answered 24/07/2025

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