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Doctor insights on: What Tsh Level Is Considered To Be A Sign Of Hypothyroidism

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What TSH level is considered to be a sign of hypothyroidism?

What TSH level is considered to be a sign of hypothyroidism?

It's controversial: There is broad consensus that a TSH between 0.3-2.5 is normal (assuming no pituitary problem exists), and broad consensus that TSH levels above 10 are abnormal and should be treated. A middle-of-the-road approach might be to say that levels between 5-10 are abnormal, and treatment is likely to be beneficial, and that values between 2.5-5 may be abnormal, and that treatment may be beneficial. ...Read more

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Dr. Quang Nguyen
946 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 considered to be a high level of bilirubin?

What is considered to be a high level of bilirubin?

More than 2mg/dl: This number has to be carefully interpreted in the context of other liver tests, clinical context and medical history. ...Read more

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What is considered to be a high bilirubin level?

See below: In an adult a level above 1.0 mg would be considered high. See this site for more info. http://www.mayoclinic.com/health/bilirubin/my00094/dsection=results. ...Read more

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Could a TSH level of 5.69 cause missed periods? Is the level considered hypothyroidism?

Could a TSH level of 5.69 cause missed periods?  Is the level considered hypothyroidism?

Yes: Depending on your laboratory's established levels of normal, this could indicate hypothyroidism and definitely can cause irregular periods and difficulty conceiving. See your gyn or pcp for treatment of the thyroid abnormality soon. ...Read more

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Could a low TSH but normal Free T4 mean a Pituitary problem? Or would that be more indicative of the start of Hypothyroidism?

Could a low TSH but normal Free T4 mean a Pituitary problem?  Or would that be more indicative of the start of Hypothyroidism?

Sounds normal: Your description is consistent with normal thyroid function, but if you are concerned, you could provide exact numbers for us to review. ...Read more

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What causes a thyroid level to be low?

What causes a thyroid level to be low?

Hashimotos: The most common cause is hashimotos thyroiditis, which is an autoimmune slow destruction of the thyroid. It tends to run in families, but not perfectly. It is easy to fix with thyroid replacement. ...Read more

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What is a normal TSH level for the thyroid?

Range: Hi. The true normal range for TSH is between about 0.5 and 3.5, although reported lab ranges are a tab bit wider. ...Read more

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Tsh level is a 3 which is causing pharmacist to be concerned. I do have many symptoms of hypothyroidism, what tests should be done?

Tsh level is a 3 which is causing pharmacist to be concerned. I do have many symptoms of hypothyroidism, what tests should be done?

Normal TSH 0.45-4.5: Why is your pharmacist concerned? Tsh of 3 is normal. Of course, we're trained to treat the person, not just the numbers so many of us will prescribe enough medication to achieve TSH of 1-2. Tsh less than 0.45 increases risk for hyperthyroidism eg palpitations, tremors, anxiety, insomnia, bone loss, etc. Further testing depends upon your symptoms. Bottom line: talk to your doc who ordered test. ...Read more

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What is the most desirable TSH level for a person with confirmed hashimoto's hypothyroidism?

What is the most desirable TSH level for a person with confirmed hashimoto's hypothyroidism?

No single number: Normal TSH levels range from 0.4 - 4.0 miu/l. Tsh levels is one of the measures for following treatment and it is usually not a good idea to treat a lab value. ...Read more

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What would cause a low T3 (liothyronine) level but normal TSH and T4 levels? Would that be considered hypothyroidism?

What would cause a low T3 (liothyronine) level but normal TSH and T4 levels? Would that be considered hypothyroidism?

No: Low t3 (liothyronine) with nl TSH and T4 is not hypothyroidism. Many things can make t3 (liothyronine) levels decrease such as illness, stress, colds etc. It is nonspecific and could also be lab error so low t3 (liothyronine) in the face of nl TSH and free T4 levels does not mean very much. ...Read more

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Is it possible to have a very overactive thyroid even if your TSH levels are in normal range?

Is it possible to have a very overactive thyroid even if your TSH levels are in normal range?

Very unlikely: A very overactive thyroid is virtually always associated with a very low or undetectable tsh. Of course a laboratory error could be responsible and the test should always be repeated if it does not fit with the clinical picture. Lastly, stress and/or an underactive adrenal gland can sometime mimic and overactive thyroid. ...Read more

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What is the upper high limit of TSH at which point clinical hypothyroidism should be considered? My. Dr refuses to believe I could be. 1yr+

What is the upper high limit of TSH at which point clinical hypothyroidism should be considered? My. Dr refuses to believe I could be. 1yr+

Hypothyroidism: The upper limit of TSH is about 4, but it varies from lab to lab. Presumably you have symptoms that could be from subclinical hypothyroidism, but it is possible that these symptoms are from something else. If your TSH were consistently high, and you had symptoms, I would probably begin levothyroxine treatment, esp if there were other signs of thyroid failure (anti-TPO ab, goiter, family history) ...Read more

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What is a normal level for thyroid?

What is a normal level for thyroid?

Lab dependent: Each lab has slightly different reference ranges for each test. If you are asking about the TSH test, usually range is 0.4-4.0. Borderline high (for me) is 4.0-8.0, and above 8.0, i usually will treat or adjust the patients thyroid replacement. ...Read more

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What can be the reason for a borderline enlarged thyroid? My TSH is normal

What can be the reason for a borderline enlarged thyroid? My TSH  is normal

It depends: If your TSH is normal then you might want to see endocrinologist. Ultrasound and thyroid scan are next step to go. ...Read more

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Antibody levels high. What is this a sign of?

Antibody levels high. What is this a sign of?

Which antibody?: We all have antibodies to a number of antigens. Antibodies to self antigens may be associated with disease. Do you have more information about the type of antibody that is of concern to you. ...Read more

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What is the normal range of TSH to be maintained for hypothyroid patient?

TSH normal range: It depends on the lab. If patients are on thyroid hormone I usually keep their TSH I'm the mid-normal range ...Read more

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Thyroprotein/tsh level- what number is indicative of hypothyroidism? My results says 3 and normal range is 2-8. Is there another test to determine thyroid issues related to CHF? Also, is H.pylori count of 2 means positive for it? On protonixThanks.

Thyroprotein/tsh level- what number is indicative of hypothyroidism? My results says 3 and normal range is 2-8.  Is there another test to determine thyroid issues related to CHF?  Also, is H.pylori count of 2 means positive for it? On protonixThanks.

ThryoTROPIN: is a synonym for thyroid stimulating hormone (TSH). This hormone, produced by the pituitary gland, regulates thyroid function. Normal results for adults, in most labs, are 0.4-4.2 mU/L. This is the well-recognized/accurate test for hypothyroidism; a total thyroxine can sometimes add information.An H. pylori antibody blood test only measures past infection. Biopsy, stool antigen, breath test better ...Read more

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Dr. Su Fairchild
1,257 doctors shared insights

Hypothyroidism (Definition)

A condition in which the thyroid gland can't make enough thyroid hormone to keep ...Read more