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Doctor insights on: Thyroid Stimulating Hormone Blood Test

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Dr. Lawrence Kessler
1 doctor shared a insight

Hormone (Definition)

A hormone (from greek ὁρμή, "impetus") is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism. Only a little amount of hormone is required to alter cell metabolism. In essence, it is a chemical messenger that transports a signal from ...Read more


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Thyroid stimulating hormone serum blood test came back as 9.01. What does that mean??


Thyroid stimulating hormone serum blood test came back as 9.01.  What does that mean??

Under-active thyroid: 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 TSH is abnormal and indicative of underactive thyroid gland or thyroid deficiency. Please consult your doctor for replacement therapy. ...Read more

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I am having extreme fatigue and i did blood test and my TSH level was high (8.6) ! but thyroid hormones are normal (t3 (liothyronine) T4 ) ! what is causing fatigue?

I am having extreme fatigue and i did blood test and my TSH level was high (8.6) ! but thyroid hormones are normal (t3 (liothyronine) T4 ) ! what is causing fatigue?

Further testing: The fatigue may be still be related to the thyroid. You should have a full thyroid panel which would include total and free T4 and t3, (liothyronine) rt3 and fti as well as thyroid autoantibodies. There can be defects in conversion from inactive to active hormone or an autoimmune process may be active. If that is the case treatment may include some hormone replacement but also addressing the immune system. ...Read more

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My TSH is 8, 8/limit 4/ other thyroid hormons are ok. Blood test its ok. Iam quite sleepy and lost intrest about my life. Is that tyroid or depression?

My TSH is 8, 8/limit 4/ other thyroid hormons are ok. Blood test its ok. Iam quite sleepy and lost intrest about my life. Is that tyroid or depression?

Could be both: The symptoms could be from both. I would treat to bring the thyroid to normal. If the symptoms are still there, then it's most likely not the thyroid causing the original symptoms. Get your thyroid antibodies check as well. ...Read more

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My blood test shows normal tsh. Does this mean the rest of my hormones like estrogen/ Prog r most likely balanced?

My blood test shows normal tsh. Does this mean the rest of my hormones like estrogen/ Prog r most likely balanced?

Not necessarily: No, the thyroid operates within it's own system. It is true though that your entire body needs adequate amounts of thyroid hormone to function normally. Just because you have normal thyroid levels does not necessarily mean you are ovulating and having regular menses (which implies normal estrogen/progesterone levels). Most menopausal women have normal thyroid levels and yet very low estrogen/P4 ...Read more

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What does the top number in BP mean? Trouble with tsh level - rapid HR after 2 a.m. bp 133/80 usually 110/78. Blood test - pituitary hormone waiting?

What does the top number in BP mean? Trouble with tsh level - rapid HR after 2 a.m. bp 133/80 usually 110/78.  Blood test - pituitary hormone waiting?

How high it gets: Systolic (top) blood pressure is a measure of the maximum pressure in the arteries during the cardiac cycle, and the diastolic of how low it gets (between heartbeats). Stop worrying about minor fluctuations like this; systolic jumps wildly in everybody. Hoping that you turn out to have a healthy thyroid -- you say yours was removed. Your physician's your best information source; we can still help. ...Read more

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When should I go for thyroid hormone blood test if ttc?

When should I go for thyroid hormone blood test if ttc?

Now: Before ttc, you should have a thyroid test to make sure there is no thyroid problem. If there is, you would want to treat it to improve your chance of conceiving. ...Read more

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What does medium range mean with a thyroid blood test, tsh, ft3 and ft4 is it good or bad?

What does medium range mean with a thyroid blood test, tsh, ft3 and ft4 is it good or bad?

"Normal": I suspect "medium range" means normal. You really should discuss the results of tests with the doctor who ordered them since there may be particulars in your case so that "normal" is not normal. ...Read more

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Can you still have thyroid problems that the basic TSH blood test doesn't show? Is the full TSH blood panel better?

Can you still have thyroid problems that the  basic TSH blood test doesn't show? Is the full TSH blood panel better?

TSH and freeT4: Tsh and free T4 should be able to diagnose most thyroid problems, at least those related to function. Other tests are needed or helpful for other thyroid disorders, such as thyroiditis, cancer, etc. ...Read more

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Dr. Quang Nguyen
893 doctors shared insights

Thyroid Stimulating Hormone (Definition)

A TSH test measures the amount of thyroid stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland and tells the thyroid gland to make and release the hormones thyroxine ...Read more


Dr. Cornelius O'leary jr
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