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Doctor insights on: Levels Of Tsh In Hypothyroidism

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Dr. Su Fairchild
1,203 doctors shared insights

Hypothyroidism (Definition)

The thyroid gland is an endocrine organ located in the front part of the neck. Its role is to make thyroid hormones, which control the way cells use energy. Hyperthyroidism results when the thyroid gland is overactive and too much thyroid hormone is produced, which speeds up metabolism. This results in weight loss, a quick heartbeat, sweating, nervousness, ...Read more


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What is the target TSH level fir hypothyroidism with medication.

What is the target TSH level fir hypothyroidism with medication.

Normal level: We strive to reach a normal TSH when we treat a patient with hypothyroidism. Too much or too little thyroid replacement is not recommended. However there is some debate as to the desired TSH level which can be from 0.5 to 5.0 although currently an upper level of 3.0 is deemed more desirable. Consult a thyroidologist if you have further concern. ...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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I am 19 and recently got my TSH levels checked for hypothyroidism, but my results came back normal (1.29 mIU/L).This was shocking considering my symptoms and family history. What else could be going on?

I am 19 and recently got my TSH levels checked for hypothyroidism, but my results came back normal (1.29 mIU/L).This was shocking considering my symptoms and family history. What else could be going on?

Might be hypothyroid: A TSH of 1.29 does not rule out thyroid issues at all! Ask your Dr. to check thyroid antibodies, Free T3 (liothyronine) and Reverse T3 (liothyronine) or find one who understands (Integrative doc) See http://tinyurl.com/nrww2qg and http://tinyurl.com/6mcwvzy and http://tinyurl.com/koyamo5 But many other conditions can cause similar symptoms like nutrient deficiencies,food allergies,chronic infections like Lyme disease etc ...Read more

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I have hypocretin deficient narcolepsy which reduces TSH levels along with autoimmune hypothyroidism. Is the TSH test reliable to gauge my thyroid?

I have hypocretin deficient narcolepsy which reduces TSH levels along with autoimmune hypothyroidism. Is the TSH test reliable to gauge my thyroid?

Not always: TSH is not always a reliable test, because it relies on what the pituitary thinks, but different tissues may have different sensitivity to thyroid hormone. In addition, some people make too much reverse T3 (liothyronine), (liothyronine) which can block the action of T3 (liothyronine). Google "stop the thyroid madness" ...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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I have hyperthyroid. I am taking neo-mercazole. The issue is while on medication i cross the TSH level and get hypothyroidism.How should I keep track?

I have hyperthyroid. I am taking neo-mercazole. The issue is while on medication i cross the TSH level and get hypothyroidism.How should I keep track?

Lower the dose: If you become hypothyroid on the pill, you need to decrease the dose until you are euthyroid again. Your doc should be able to do this for you. This is the art of medicine. If the pill is unable to do this, you might need to consider definitive treatment such as i-131 ablation... ...Read more

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Should I get treated for hypothyroidism if TSH levels are 3.96 and symptoms are present?

Should I get treated for hypothyroidism if TSH levels are 3.96 and symptoms are present?

May be worth at try.: This is likely a high normal or even slightly above-normal result wtih some assays. Ask your doctor for an anti-thyroid antibody level. If elevated, i would definitely recommend treatment. If not elevated, a low-dose trial of T4 for a few months (aim for TSH around 1.0) may still be a good idea if you are having hypothyroid symptoms. It can be discontinued later if symptoms do not improve. ...Read more

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What to do about hypothyroid diagnosis (tsh level over 100) meds are not working, what could come next?

Wrong Meds: You are probably being treated with Synthroid, (thyroxine) pure T4, and it is not converting to active T3 at the cellular level. Many thyroid resistant patient require pure sustained release T3 to notice any effect. You may also have AutoImmune Thyroiditis in which your immune system is attacking your thyroid. ...Read more

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My TSH levels were normal and yet I have many of the signs of hypothyroidism, what else should I do/look into?

My TSH levels were normal and yet I have many of the signs of hypothyroidism, what else should I do/look into?

Normal: The definition of "normal" thyroid labs depending on the practitioner or supporting organization. Many endocrinologists use a "normal" TSH range of 0.3-3.0. Other use a more strict range of 0.5-2.0. Also consider non-thyroidal disease. ...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