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Doctor insights on: Can You Have Hyperthyroidism Without A Low Tsh

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Can you have hyperthyroidism without a low tsh?

Can you have hyperthyroidism without a low tsh?

Yes: If the problem is in the pituitary or hypothalamus, you can have high tsh, high ft4 and high ft3. This is very rare but can happen. ...Read more

Dr. Susan Wingo
498 doctors shared insights

Overactive Thyroid (Definition)

Hyperthyroidism, often called "overactive thyroid," is a condition where the thyroid secretes too much of the thyroid hormones. Common symptoms include heat intolerance, increased appetite, ...Read more


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Does medication for low TSH hyperthyroidism cause you to gain weight?

Does medication for low TSH hyperthyroidism cause you to gain weight?

Thyroid and weight: As the medication (eg. Methimazole) normalizes your thyroid levels, your metabolic rate will return to normal. Your appetite, however, may still be in hyper-mode. Weight gain is common, but if you take care with what you eat you can minimize this. ...Read more

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With low TSH levels hyperthyroid is off the table right? What other issues, full normal blood panel, could cause a major weight loss?

With low TSH levels hyperthyroid is off the table right? What other issues, full normal blood panel, could cause a major weight loss?

Low tsh?: Normal TSH values fall within a range. If the TSH is low, or in other words, below the lower limit of normal, it may suggest your thyroid is overactive. When your body produces too much thyroid hormone, the brain tries to compensate by making less tsh, and therefore the levels show up low. ...Read more

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In hyperthyroidism, would a low TSH be caused by a pituatary tumor? If so, what would blood tests indicate?

In hyperthyroidism, would a low TSH be caused by a pituatary tumor? If so, what would blood tests indicate?

TSH: Tsh, thyroid stimulating hormone (or thyrotropin), is made by the pituitary gland in the brain and signals the thyroid to make thyroid hormone. In hyperthyroidism, thyroid hormone, made by the thyroid, circulates in the blood to the pituitary gland to lower tsh. ...Read more

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I'm concerned. I have a low TSH and high t4. I'm symptomatic of hyperthyroidism. Can't take ptu or tapazole. What happens now?

Diagnosis first: You may or may not have grave's disease. Your doctor needs to determine the cause of your test results before treating test results. Meanwhile, if not contraindicated, a beta blocker could be useful in terms of treating hyperthyroid symptoms. Causes of your hyperthyroidism also include: hashimoto's, subacute thyroiditis, and toxic thyroid nodule. ...Read more

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Hyperthyroidism and weight gain, can a low TSH level cause weight gain? And how would menopause effect TSH level?

Hyperthyroidism and weight gain, can a low TSH level cause weight gain? And how would menopause effect TSH level?

No: Rarely hyperthyroidism manifested by a low TSH and elevated thyroid hormones can cause increased hunger leading to weight gain. Most hyperthyroids lose (muscle) weight. Menopause has no effect on TSH levels, but as we age hypothyroidism with increased TSH becomes more likely. 20% of women on medicare have elevated TSH and have frank or subclinical hypothyroidism. ...Read more

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What could cause hyperthyroidism if it's not graves, hasmitos, pituitary problem? I have low TSH 0.01 but normal free T3 and T4 and normal total t3t4

What could cause hyperthyroidism if it's not graves, hasmitos, pituitary problem? I have low TSH 0.01 but normal free T3 and T4 and normal total t3t4

Already answered: Hi. I already told you: hyper-functioning ("hot") thyroid nodule is most likely, but a phase of subacute thyroiditis (ST) is certainly a possibility. Following thyroid function over time, or a 123-I thyroid scan (and uptakes) would tell the difference. This all assumes you're not surreptitiously TAKING thyroid hormone (which would look like ST, but unlike ST would have a suppressed thyroglobulin). ...Read more

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Pituitary failure responsible for hypo or hyperthyroid & TSH goes to low or high side of normal range?

Pituitary failure responsible for hypo or hyperthyroid & TSH goes to low or high side of normal range?

Hypopituitarism: Specifically on the thyroid, pituitary failure as seen in sheehan syndrome can lead to low tsh, low signal to the thyroid and low production of thyroid hormone. ...Read more

Dr. Quang Nguyen
876 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


Dr. Susan Wingo
527 doctors shared insights

Hyperthyroidism (Definition)

Hyperthyroidism is also known as Overactive Thyroid. Is an oversecretion of thyroid hormone or hormones. For a full analysis check the website for the american thyroid ...Read more