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Doctor insights on: T3 Total

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Which test results are more important: T3 total or free t3? If total t-3 is low and free t-3 is low, almost out of range w/symptoms, treatment?

Which test results are more important: T3 total or free t3? If total t-3 is low and free t-3 is low, almost out of range w/symptoms, treatment?

Free results,,,: The most important result by far is the freet4 as this indicates how much available active thyroid hormone is circulating. Free t3 is also important as T4 is converted into t3 and is more active. Tsh is also important as this and free T4 help indicate whether or not a person is hypothyroid. But free results are more important as this indicates the amount of active hormone. Good luck. ...Read more

Dr. Jesse Krakauer
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Liothyronine (Definition)

Liothyronine is a thyroid ...Read more


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bloodwork on T3-Total& FreeT3 & TsH3rd Generation all come back normal is this all the labs need to check for thyroid problems?

 bloodwork on T3-Total& FreeT3 & TsH3rd Generation all come back normal is this all the labs need to check for thyroid problems?

Thyroid: You do not have any thyroid metabolism problems. If you have a thyroid nodule or an enlarged thyroid, your doctor would have noticed and informed you. Be grateful and enjoy the next 40-50 years. Don't forget to see your gynecologist as your periods begin to disappear. Current treatments are excellent. ...Read more

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Please explain my thyroid results! Tsh. 0.994 T3 total. 146 ng/dl T4. 6.68?

Please explain my thyroid results!
Tsh.    0.994  
T3 total.  146 ng/dl
T4.  6.68?

All normal: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, your results are normal. You may wish to consult this site for info. http://www.endocrineweb.com/conditions/thyroid/thyroid-function-tests ...Read more

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Ok so my T3 total is 105 my T4 is 1.1 my TSH is 5.69 ? Should my doc be putting me on thyroid meds? I have bad axsiety for 3 months never before?

Ok so my T3 total is 105 my T4 is 1.1 my TSH is 5.69 ? Should my doc be putting me on thyroid meds? I have bad axsiety for 3 months never before?

Endocrinologist: Go to ur doc.. If u feel fatigue and are gaining weight and hair falling out u would definitely need it. Get further tests from ur endocrinologist to see exactly what kind of hypothyroidism u have. They have more expertise. ...Read more

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My thyroid function test shows ( fT4=16.23 pmol/L T3 total= 1.39 nmol/L TSH= 2.59mIU/L ) Is it normal. I feel to be hypothyroid.??

My thyroid function test shows ( fT4=16.23 pmol/L         T3 total= 1.39 nmol/L TSH= 2.59mIU/L ) Is it normal. I feel to be hypothyroid.??

Normal: Your thyroid levels are normal. Symptoms of low thyroid are very common (tiredness, weight gain, feeling cold, dry skin). Most people who have those symptoms don't really have a low thyroid causing them. ...Read more

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Doc my T3 total is 1.18 and T4 total is 9.60 also my TSH is 2.31 but mt Anti tpo is >1300 what can I do to lower my tpo also I have symptoms of hypo..

Hashimoto's : Hi. You have Hashimoto's by autoantibodies, with normal thyroid function (not uncommon, when you look for it). The degree of autoantibody elevation does not predict when the thyroid function will fail. And there's no treatment for the high TPO autoantibodies. Your thyroid function should be followed periodical and anytime new symptoms arise. Good luck! ...Read more

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My TSH, SERUM is 9.08 (high) but my T3 Total SERUM is 0.75(normal) and T4 Total SERUM is 5.7(normal). Should I go for treatment?

Will be good to get: treatment. TSH is more sensitive indicator of thyroid function and even though you may not be deficient in T3 and T4 yet, you are likely to be heading there. Starting the treatment will give you a head start to calibrating the dose of medication. ...Read more

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Have 1.4 CM nodule. New: T3 total 0.89, TSH 1.57, thyroxine free 0.65. Too low? Affirma results benign 2012. Appt. Next week. Questions I should ask?

Have 1.4 CM nodule. New: T3 total 0.89, TSH 1.57, thyroxine free 0.65. Too low? Affirma results benign 2012.  Appt. Next week. Questions I should ask?

Ask about followup: If your lab and affirma (and i'll assume your basic biopsy cytology) are all negative, the other important test would be a serum thyroglobulin level, which can go up in certain thyroid malignancies. If all of that is ok, then discuss follow-up and schedule a repeat ultrasound and lab in about 6-12 mos. ...Read more

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Tsh 3rd generation blood test level is 3.442. T3 total is 87. T4 total is 8.7. Free T4 is 1.01. Is this normal or do I have a thyroid problem? I'm ttc

Tsh 3rd generation blood test level is 3.442. T3 total is 87. T4 total is 8.7. Free T4 is 1.01. Is this normal or do I have a thyroid problem? I'm ttc

Normal: Your thyroid function tests are in the normal range. See this site for more details. http://www.endocrine.niddk.nih.gov/pubs/thyroidtests/. ...Read more

Dr. David Geffner
429 doctors shared insights

T3 (Definition)

T3 is a thyroid ...Read more