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Doctor insights on: What Causes High False Tsh Levels

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What can cause a false high tsh?

What can cause a false high tsh?

Not much: Any lab can have a temporary problems doing any test accurately. That is why an abnormal level should always be repeated to verify it. There are temporary causes for high TSH (resolving subacute thyroiditis), so that a 2nd TSH level done a few weeks after an abnormal one, could be normal. Subclinical hypothyroidism will have a high TSH with other thyroid levels normal, no symptoms. ...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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Can high TSH levels or hypothyroidism cause miscarriages?

Yes: Thyroid malfunction, especially hypothyroidism can cause miscarriage. Please see the article below for thyroid function and pregnancy. http://www.nytimes.com/ref/health/healthguide/esn-hypothyroidism-expert.html?pagewanted=all. ...Read more

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What are causes of high tsh levels? will depression medicines cause this increase levels?

What are causes of high tsh levels? will depression medicines cause this increase levels?

Low thyroid function: If you have a high TSH, it may be that you have hypothyroidism, which is very common & responds well to very cheap medication to correct. Low thyroid function can cause depression! So if you have thyroid hormone deficiency get treated, your depression will improve faster, even if on depression meds & the meds may not work if your thyroid hormone level is very low. See doc and get further tests. ...Read more

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An old women with very low f.T4=.2 and high level of tsh>100 and tpo = 471 and ldh = 1121 and ESR = 50 what is the most likely cause for that ?

An old women with very low f.T4=.2 and high level of tsh>100 and tpo = 471 and ldh = 1121 and ESR = 50 what is the most likely cause for that ?

Hypothyroidism: Sed rate is not the key here. She probably has autoimmune thyroiditis / hashimoto's because of anti-thyroid peroxidase antibodies. She needs to be treated for her hypothyroidism or it will be a disaster. The high ldh might be due to concurrent pernicious anemia, folate (folic acid) deficiency, or any of a few hundred other possibilities. The key is as usual the history and physical exam. ...Read more

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Diagnosed w/Hashimoto's 20 years ago, had a TT 2 years ago. My TSH levels jumping from the very low range to being too high. What might cause this?

Diagnosed w/Hashimoto's 20 years ago, had a TT 2 years ago.  My TSH levels jumping from the very low range to being too high.  What might cause this?

Under active thyroid: Has humorous can start with an over active thyroid but ultimately it damages the thyroid gland. A high TSH means your Thyroid gland is not producing enough thyroid hormone and your body is "kicking it" to make it work harder. If the level is very high you will probably need thyroid hormone pills. ...Read more

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Can a high TSH level but normal T4 cause hypothyroid symptoms or not?

Can a high TSH level but normal T4 cause hypothyroid symptoms or not?

Yes: Hypothyroidism can be primary - caused by a weak thyroid gland or secondary to other hormonal problems, like a pituitary problem. Or your thyroid can become dysfunctional secondary to high insulin, estrogen or cortisol. If you have functional hypothyroidism, this problem can go undetected by routine screening tests. More extensive testing can often reveal abonormalities. This is very common. ...Read more

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Can taking high doses of Kelp cause a false high TSH reading? I don't have any other symptoms of hypothyroidism, but my lab results were 7.13

Can taking high doses of Kelp cause a false high TSH reading? I don't have any other symptoms of hypothyroidism, but my lab results were 7.13

Kelp and hypothyroid: https://health.clevelandclinic.org/2014/09/thyroid-issues-what-you-need-to-know-about-diet-and-supplements/ Kelp in capsule form can affect the thyroid, best to avoid. Would stop all kelp resume a nromal diet and repeat studies in 6 weeks. Hypothyroidism is common in young females and the TSH may swing between normal /abnormal for months till it totally becomes abnormal. f/u w/ednocrinologist ...Read more

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Can long term use of birth control pills with estrogen cause high TSH levels / hypothyroid ?

Can long term use of birth control pills with estrogen cause high TSH levels / hypothyroid ?

From what I can: gather in the literature, OC's can affect the thyroid,but I'm not sure it can cause frank hypothyroidism.. I would talk to an Endocrinologist about this. ...Read more