What Does This Thyroid Test Report Indicate?

Posted on Mon, 13 Nov 2017

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Mon, 13 Nov 2017 Answered on

Mon, 16 Apr 2018 Last reviewed on

Question : Evaluate free t4 1.5. T3. Is 3.1. Reg TSH is 3.74. Have been on Synthroid Then levothyroxine for many years. Current dosage .1mcg. Thyroid scan over 20 yrs ago was neg.

Answered by Dr. Mirjeta Guni (21 minutes later)

Brief Answer:
About levothyroxine dose;

Detailed Answer:
Hello and thank you for asking!
I have gone carefully through your concern.
The hormonal level you reported is within normal ranges under levothyroxine treatment.
The dose ( I suppose 100 mcg because 1 mcg does not exist) is the right one and you should continue with this if no other pathologies are present.
You didn't mention why your treating physician is concerned for pituitary issues?
Is Hashimoto thyroiditis confirmed 20 years ago before starting treatment?
Will be a pleasure to help you further.
Kind regards,
Dr.Mirjeta

Above answer was peer-reviewed by : Dr. Yogesh D