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Doctor insights on: What Does It Mean When T3 Levels Are High For Thyroid

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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. Oscar Novick
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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What causes an elevated reverse T3 (liothyronine) level but the other thyroid levels are normal thyroid??? My reverse t3 (liothyronine) was 35

What causes an elevated reverse T3 (liothyronine) level but the other thyroid levels are normal thyroid??? My reverse t3 (liothyronine) was 35

Many causes: First, I am impressed your doctor tested reverse T3 as few doctors ever check it. There are many possible causes of increased reverse T3 including high cortisol (from chronic stress, emotional or physical), inflammatory conditions, injuries and infections like Lyme disease (which is surprisingly common and often undiagnosed). See http://www.stopthethyroidmadness.com/reverse-t3/ for more info. ...Read more

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High thyroglobulin & T3 (liothyronine) Free levels post thyroid lobectomy indicates what?

Thyroid: Something does not add up. Thyroglobulin may be high for a number of reasons and can be controlled if needed. I don't understand why free T3 (liothyronine) is high post thyroid lobectomy. Please pursue this with your doctor and the the thyroid surgeon. If their answers make sense could you please let me know. ...Read more

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I have had high thyroid counts since '07. What do these counts mean: TSH recab-<.9>; TSH 3rdgen-.04; T3 (liothyronine) tot-1.56; t 4 free- .98.

I have had high thyroid counts since '07. What do these counts mean: TSH recab-<.9>; TSH 3rdgen-.04; T3 (liothyronine) tot-1.56; t 4 free- .98.

Subclinical hyperthy: The TSH is low, otherwise your thyroid levels are normal. This is called subclinical hyperthyroidism. You may have very mild graves disease, a "hot" thyroid nodule, or autonomously functioning multinodular goiter. Usually when it is this mild, we continue observation. ...Read more

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My doctor just called and told me my thyroid is overative and the T3 (liothyronine) is twice has high and T4 is normal. And that was it. What does it mean? Should I change something? how do I get it back to normal?

T3 (liothyronine) and T4: 1: If you don't have symptoms please relax for now. 2: If your TSH was not measured it should be. 3: Your doctor should have sent you to the Radiology department for careful examination of your thyroid gland. If that did not happen ask for a referral to an Endocrinologist. ...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

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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I did a thyroid test and it showed that my free T3 (liothyronine) is high...While my free T4 and TSH is normal. What does it mean to get a high t3 (liothyronine)?

I did a thyroid test and it showed that my free T3 (liothyronine) is high...While my free T4 and TSH is normal. What does it mean to get a high t3 (liothyronine)?

How high?: Reference ranges are set so that several percent of folks fall outside on either side. If it's not way-off, and your TSH is normal, and (most important) you feel well, ignore it. ...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