I am 66 years old. My thyroid test was done on an empty stomach after taking my thyroid medicine. The results show TSH is 3.65, T3 is 0.65 ng/mL (slightly low) and T4 is 5.96 microgram/dL (slightly low). I am taking 25 mcg of thyroxine daily. Are these results normal, or could they be inaccurate because I took the medicine before the test?

Answered by 1 Apollo Doctors

Dr Dhankecha Dineshbhai

General Practitioner

MBBS
6+ Yrs

Consult Now

TSH is within range, but low T3/T4 suggest under treatment. Test should be done before taking medicine. Please repeat test before dose and consult your doctor.

Dr. Dhankecha Suggests...

Take a Thyroid - Free FT3, FT4 & TSH Test Test

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Answered 8 days ago

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