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Doctor insights on: What Does Tsh Stand For In A Blood Test

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Should i fast for a TSH blood test?

Should i fast for a TSH blood test?

No: Fasting for TSH is not necessary and will not change results. ...Read more

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


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What is TSH on a blood test indicative of?

What is TSH on a blood test indicative of?

TSH: Stands for thyroid stimulating hormone. It is a sensitive test to detect the functioning level of the thyroid gland. The brain produces TSH and that stimulates the thyroid to produce it's hormone. If the level of the TSH is high, it means the thyroid gland is under active. If the TSH is low, that indicates the thyroid is overactive. Your doctor should discuss your results and what needs to be done. ...Read more

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How quickly can a blood test show changes in tsh?

How quickly can a blood test show changes in tsh?

Depends on med: It depends on which type of medication, those containing T3 (liothyronine) will change the TSH quite rapidly whilet4 will take longer. Either way we usually wait at least a month to retest so that the result is stabilized to the current dose. Tsh changes in those not on medication will depend on the medical condition, if any, that is present. ...Read more

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What is a TSH blood test and why would i need one?

What is a TSH blood test and why would i need one?

TSH: Tsh, thyroid stimulating hormone (or thyrotropin), is made by the pituitary gland in the brain and signals the thyroid to make thyroid hormone. Tsh measurement is used as a screen to investigate thyroid function. ...Read more

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Is 0.45 low for TSH blood test? Have lots of symptoms.

Is 0.45 low for TSH blood test? Have lots of symptoms.

It depends: upon the lab, but that value is generally in the lower end of normal, and wouldn't account for any symptoms you are experiencing. Check w/ your doctor, ...Read more

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I'm 54, female. My blood test shows TSH 0.3. Do i need to do anything about it?

Depends.: Why was it done in the first place? Depending on the lab, it may be normal or low. If low, it needs to be repeated, along with other thyroid tests such as free t4. If the thyroid is enlarged, this TSH is consistent with early hashimoto or graves disease, but if it is normal in size, these diseases are very unlikely. ...Read more

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What does a blood test TSH reflx ft4 mean?

Thyroid testing: The TSH level will be checked, and if it is out of the reference range, the lab will then run a ft4 without requiring the physician to call you in to have blood drawn again. ...Read more

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What does it mean if my thyroid blood test is TSH 0.13*?

What does it mean if my thyroid blood test is TSH 0.13*?

See endocrinologist: to check other tests- find out why it is abnormal could be overactive thyroid or underactive pituitary ...Read more

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Should i take my daily dose of levothroxine before my TSH blood test?

Should i take my daily dose of levothroxine before my TSH blood test?

Yes: Tsh takes along time to correct hence your morning dose of levothyroxine will not affect however it may affect your ft3. ...Read more