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Doctor insights on: Causes Of False High 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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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

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Can a miscarriage cause missed periods, high TSH levels & infertility. Diagnosed hypo 6m afte mc. Only had 6 periods since 07/12 mc 6.18.12.

Can a miscarriage cause missed periods, high TSH levels & infertility. Diagnosed hypo 6m afte mc. Only had 6 periods since 07/12 mc 6.18.12.

Depends: A miscarriage can at time delay ovulation and cause the subsequent cycle to become irregular but it should not cause the periods to become irregular nor it has any affect on rising of the tsh.A miscarriage can indirectly affect fertility due to tubal damage or damage to the endometrial lining . Hypothyroidism however if not treated can cause irregular periods, miscarriage and infertility. ...Read more