3 doctors weighed in:
What is significance of low free T3 (liothyronine) and free T4 & normal tsh?
3 doctors weighed in

Dr. Michael Rothman
Internal Medicine
1 doctor agrees
In brief: Hypothyroidism
Some scientific studies show that the optimal range for TSH is 0.
8-2.1 in fact a TSH >2.5 is associated with Insulin resistance, as the TSH increases (above 2.5) the LDL goes up and the HDL goes down. There are countless patients walking around with undiagnosed hypothyroidism because the normal range of TSH is way too broad.

In brief: Hypothyroidism
Some scientific studies show that the optimal range for TSH is 0.
8-2.1 in fact a TSH >2.5 is associated with Insulin resistance, as the TSH increases (above 2.5) the LDL goes up and the HDL goes down. There are countless patients walking around with undiagnosed hypothyroidism because the normal range of TSH is way too broad.
Dr. Michael Rothman
Dr. Michael Rothman
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Dr. Randy Baker
Holistic Medicine
In brief: You are hypothyroid!
Most doctors rely way too much on a high TSH to diagnose hypothyroidism but many who are hypothyroid (and low T3 and T4 mean you are hypothyroid for sure) have a normal TSH.
See http://tinyurl.com/nrww2qg for a thorough discussion of the many very common conditions that render TSH unreliable. Please ask you Dr. to check thyroid antibodies as most who are hypothyroid have thyroiditis.

In brief: You are hypothyroid!
Most doctors rely way too much on a high TSH to diagnose hypothyroidism but many who are hypothyroid (and low T3 and T4 mean you are hypothyroid for sure) have a normal TSH.
See http://tinyurl.com/nrww2qg for a thorough discussion of the many very common conditions that render TSH unreliable. Please ask you Dr. to check thyroid antibodies as most who are hypothyroid have thyroiditis.
Dr. Randy Baker
Dr. Randy Baker
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Dr. Joseph Woods
Pathology
In brief: Not sure if any.
The TSH is normal so it might be a variation of normal or euthyroid.
It also might be a developing thyroid condition, but there would be symptoms, like fatigue. It would be wise to see your doctor to follow up.

In brief: Not sure if any.
The TSH is normal so it might be a variation of normal or euthyroid.
It also might be a developing thyroid condition, but there would be symptoms, like fatigue. It would be wise to see your doctor to follow up.
Dr. Joseph Woods
Dr. Joseph Woods
Thank
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