A member asked:

My free t4 thyroxine is 8.4 pmol /l. i'm on 0.05mg of synthroid is that enough for my level? because i seriously feel so dead and weak all day.

A doctor has provided 1 answer

Make sure: you are on Brand Name thyroid replacement and have your TSH checked to make sure it's normal. If it is, the symptoms are due to other causes.

Answered 5/12/2015

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A member asked:

What level should thyroxine T4 free direct s be?

A doctor has provided 1 answer