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Doctor insights on: Tsh Reflexive

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What is tsh?

What is tsh?

Activates thyroid.: Tsh, or thyroid stimulating hormone, is a hormone made in the pituitary gland to control how much thyroid hormone is made and released into the bloodstream. High levels of TSH mean the pituitary thinks the body needs more thyroid hormone(that thyroid levels are too low), and low levels of TSH mean that the pituitary thinks the body needs less thyroid hormone. ...Read more

Dr. Quang Nguyen
926 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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Tsh 6.5 level is high?

Tsh 6.5 level is high?

YES: The normal range i our area is 0-4 to4mlu/l it varies from area to area and lab but never from 0.5 to5.5 mlu/l. 6.5 is high. Thanks. ...Read more

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How to reduce my TSH ?

How to reduce my TSH ?

Thyroid hormone.: An elevated TSH usually is seen with low thyroid hormone levels in the blood, i.e. Hypothyroidism. Taking thyroid hormone corrects the high TSH level. ...Read more

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Fluctuating TSH levels?

Fluctuating TSH levels?

Depends: Are you on thyroid replacement currently? Tsh can fluctuate if you are on the wrong kind of thyroid replacement, or you are not taking it regularly, or lab misinterpretation...Work closely with your doc or see a thyroid specialist if this continues to be a problem. ...Read more

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Is there synthetic tsh?

No: Tsh is produced in the anterior pituitary gland in the brain. Its function is to regulate thyroid hormone production in the thyroid gland itself. The TSH test is just to monitor that feedback loop. If there is too little thyroid hormone, then that is given exogenously because that has a physiologic function. Tsh does not. If the pituitary is treated if it's abnormally producing extra tsh. ...Read more

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Is 2.9 a good tsh score?

Yes: In mIU/L. If this is for screening, this is fine. For deciding how much replacement is required, some physicians like to keep the value a bit lower. ...Read more

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Is a TSH of 6.5 too much ?

A little: Upper limit of normal is 4 to 5. High TSH suggests thyroid deficiency. Consult the site below and see your doctor for replacement therapy. http://www.nlm.nih.gov/medlineplus/ency/article/003684.htm. ...Read more

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My TSH is 3.04 is it normal?

My TSH is 3.04 is it normal?

Probably yes: Look at laboratory reference intervals. Tsh 2-3 is normal but if you have additional questions go see your doctor. ...Read more

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Can a TSH of 167 be harmful?

Can a TSH of 167 be harmful?

HYPOTHYROID: You are likely hypothyroidism and at least you should feel tired, poss have wt gfain, slow pulse...Need to have a ft4. ...Read more

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What causes fluctuating tsh?

What causes fluctuating tsh?

UNCLEAR ETIOLOGY: Typically, once the TSH starts trending up, it means your own thyroid gland is not being capable of producing enough thyroid hormone and until treated with appropriate doses of hormone, it will continue to go up. The answer to your question depends on the time in between labs, weight gain or significant weight loss, etc etc. Any other symptoms ? ...Read more

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I have TSH at 7.78. I am 46?

I have TSH at 7.78. I am 46?

Why is it high?: Normal TSH is usually less than 4 or 5. A primary care doctor and/or an endocrinologist can help figure out why a TSH is high. It may mean that the thyroid gland is having problems and cannot make enough thyroid hormone. A higher TSH is a stronger command from the brain, urging the thyroid gland to work harder. ...Read more

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TSH result .322 good or bad?

Slightly abnormal: Hi. That TSH is slightly abnormal on the suppressed (hyperthyroid) side of normal. I'd recommend repeating it in a bout 6-8 weeks (with a free T4 and free T3) and see if it ends up back in the normal range, is reproducibly suppressed to a similar level, or is becoming more suppressed (more hyperthyroid). ...Read more

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How do I lower my TSH from 6?

Take more Synthroid (thyroxine): If you're following your tsh, i'm assuming that you have hypothyroidism on replacement therapy. The number is opposite: if you are not on enough synthroid, (thyroxine) the TSH is high. If you are on too much synthroid, (thyroxine) the TSH is low. Look at the normal range for tsh. If you feel sluggish, cold, fat, or constipated; you may need an increase in your dose (or you may need to start thyroid replacement!). ...Read more

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What does a TSH of 4.37 mean?

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 TSH level is normal. ...Read more

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Is a TSH score of 3.48 normal?

Reference range: The lab that performed your test, if it is an accredited, high quality lab, is required to provide a reference range for each test they perform. This is the normal or expected range, and assuming you match the population they used to determine that range, it is most likely your results if normal will be inside the range. ...Read more

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Will a TSH lower without meds?

Will a TSH lower without meds?

Possible: Depending on the situation, if someone is sick and there TSH elevates indicating hypothyroidism it will normalize once the illness is resolved given that there are no other reasons such as medicines or other illness which caused the change. ...Read more

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Fast needed prior to TSH test?

Nope: Can be done without respect to meals. ...Read more