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Doctor insights on: What Does A Low T3 Thyroid Mean

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If my tsh low, t3 (liothyronine) and t4 is normal, is it hypo or hyper thyroidism? Should I take iodine? Ultra sound is normal, without pathology.

If my tsh low, t3 (liothyronine) and t4 is normal, is it hypo or hyper thyroidism? Should I take iodine? Ultra sound is normal, without pathology.

Hypothyroid: The answer to this question depends on what your exact levels are and what type of symptoms you have. "Subclinical Hypothyroidsim" sometimes presents in the manner you describe. ...Read more

Dr. Lawrence Kessler
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more


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What does it mean if most of my thyroid levels are in the low normal range and my T3 (liothyronine) is low?

What does it mean if most of my thyroid levels are in the low normal range and my T3 (liothyronine) is low?

Nothing: T3 (liothyronine) is important inside the cell, in the blood, the measurement is usually meaningless. If the other thyroid tests (free T4 and tsh) are normal, ignore the t3, (liothyronine) as it's a waste of your blood and money. ...Read more

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My thyroid panel shows low T3 (liothyronine) (29), normal T4 (8.10) and high TSH 3.16. What does this mean

My thyroid panel shows low T3 (liothyronine)  (29), normal T4 (8.10) and high TSH  3.16. What does this mean

TSH normal: Your TSH is normal and your thyroid appears to be functioning properly. Ignore the "t3" as it's not a real measurement of T3 (liothyronine) level. ...Read more

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My T3 (liothyronine) free is low 2.2 TSH and T4 free are normal my mom and 2 daughters have hashimotos and my thyroid is enlarged does this mean I have thyroid probl?

My T3 (liothyronine) free is low 2.2 TSH and T4 free are normal my mom and 2 daughters have hashimotos and my thyroid is enlarged does this mean I have thyroid probl?

Hashimotos: You may have low grade hashimotos. With that family history and an enlarged thyroid it is quite possible that autoimmunity is slowly damaging your thyroid. But your thyroid has enlarged to compensate, and the normal TSH suggests that is compensating adequately now. Talk to your endocrinologist. You may become hypothyroid eventually, but it may not be for years. ...Read more

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On my thyroid panel test T4. T3 (liothyronine) uptake, FTI are normal. But, my TSH is too low. Whats that mean? Been getting treated for hypothyroidism for 2 yrs.

On my thyroid panel  test T4. T3 (liothyronine) uptake, FTI are normal. But, my TSH is too low. Whats that mean? Been getting treated for hypothyroidism for 2 yrs.

Low TSH: while on thyroid medication indicates getting more thyroid replacement than needed. Usually the treating physician may decrease the dosage. While on treatment TSH is the best gauge of level of treatment ...Read more

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What does it mean to have a total T3 (liothyronine) and reverse T3 (liothyronine) in thyroid diagnosis?

What does it mean to have a total T3 (liothyronine) and reverse T3 (liothyronine) in thyroid diagnosis?

Reverse T3- liver pr: Normally yourt4 is deioidonated in yout liver to T3 (liothyronine) to produce the active thyroid hormone. However the presence of high cortisol, high estrogen or high Insulin impairs this process. Instead of making t3 (liothyronine), (liothyronine) your liver makes reverse t3 (liothyronine). The TSH and ft4 are nl b/c the thyroid itself works fine, it is the liver that is not ok. ...Read more

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My thyroid test results are low t3, (liothyronine) freet3 is barely within range low end. How can I get my dr. To try thyroid medication to see if it would help?

Need more info: What are your symptoms? Symptoms of under active thyroid? What are your other levels? Free t4, tsh, thyroid antibodies test? If feel not getting anywhere you can try and see a specialist in thyroid called an endocrinologist who may be able to help you and explain your labs and treatment options if any available to you. ...Read more

Dr. Jesse Krakauer
441 doctors shared insights

Liothyronine (Definition)

Liothyronine is a thyroid ...Read more


Dr. David Geffner
441 doctors shared insights

T3 (Definition)

T3 is a thyroid ...Read more