I recently had a T3, T4, and TSH test. I am currently taking 25 mcg of Thyronorm daily. My test results are: T3: 0.860 ng/mL T4: 5.19 microg/dL TSH (Ultra): 6.41 microIU/mL Please advise what dosage of thyroid medication I should continue with.

Answered by 1 Apollo Doctors

Dr Yusuf Mohammad

General Practitioner

MBBS
Advanced Certificate Course in Dermatology
8+ Yrs

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TSH is still high, indicating under replacement. Likely need 37.5 to 50 mcg. Confirm with repeat thyroid profile after 6 weeks.

Dr. Yusuf Suggests...

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Answered 16/09/2025

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