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Doctor insights on: Thyroid Negative Feedback

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Dr. Katharine Cox
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more


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Controversy surrounds those patients with a suppressed tsh. Isn't it true that when a hypothyroid patient starts taking exogenous th, a negative feedback system reduces the pituitary gland's output of tsh. This decreases the thyroid gland's output of en

Controversy surrounds those patients with a suppressed tsh.  Isn't it true that when a hypothyroid patient starts taking exogenous th, a negative feedback system reduces the pituitary gland's output of tsh.  This decreases the thyroid gland's output of en

Endo feedback: With primary hypothyroidism, TSH is elevated in an effort to push the thyroid gland to make more thyroxine. Treatment with levothyroxine indeed signals the pituitary to reduce TSH output. Secondary is when either/or pituitary +/- hypothalamus is damaged but unable to produce tsh. Then, thyroxine levels drop but the pituitary can't respond. Tsh can't monitor treatment but free T4 levels can. ...Read more

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I've been offered a clinical trial on my migraines. It came through the email I have participated in feedback from doing the boots injections. However I'm post thyroid removal and my migraines have been going crazy. Honestly my care doctors have blown

I've been offered a clinical trial on my migraines. It came through the email I have participated in feedback from doing the boots injections.   However I'm post thyroid removal and my migraines have been going crazy.   Honestly my care doctors have blown

Get more information: about the clinical trial. It may be worth your participating in the trial if your migraines are getting worse in spite of your medical care. Make sure that the trial is legitimate and FDA controlled. Participation in a clinical trial can offer state-of-art treatments that are not otherwise available. Make sure you let the trial center know about your thyroid surgery which is likely to exclude U. ...Read more

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How do I know if I have thyroidism?

How do I know if I have thyroidism?

TFT's: Thyroid disorders are usually diagnosed via blood test and clinical symptoms. Thyroid function tests include measuring blood levels of TSH (thyroid stimulating hormone) and thyroid hormone levels (t3 (liothyronine) and t4). ...Read more

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Can you have both hyper and hypo thyroidism?

Can you have both hyper and hypo thyroidism?

Not simultaneously: Hi. Yes, you can, but not simultaneously. For example, treatment of Graves' disease often renders the patients hypothyroid. Hypothyroidism can sequentially follow hyperthyroidism. Same for a self limited process called a subacute thyroiditis - hyperthyroidism followed by hypothyroidism. Hypothyroidism can be over treated causing hyperthyroidism. Hyper and hypo cannot be present at the same time. ...Read more

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Which is easier to correct- hyper or hypo thyroidism?

Which is easier to correct- hyper or hypo thyroidism?

Hypothyroidism...: Hypothyroidism is easier to correct. In hypothyroidism, supplemental thyroid hormone can be taken to reach an adequate normal level. Hyperthyroid states are usually more difficult to control. Depending on the hyperthyroid illness, radioactive iodine, surgery, or anti-thyroid medications may be used. Often hypothyroidism results after treating hyperthyroid patients, but is easy to deal with. ...Read more

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How to treat hypo thyroidism permanently?

How to treat hypo thyroidism permanently?

Synthroid (thyroxine): The only way to handle hypothyroidism is to take synthroid (thyroxine) for life, which is a synthetic version the hormone that you are deficient in. ...Read more

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Taking collagen but have a hypo thyroidism is it ok?

Taking collagen but have a hypo thyroidism is it ok?

Yes: collagen supplement is not a contraindicated with hypothyroidism. The question why are you taking collagen supplement . collagen is provided amply in the diet if you eat animal protein. ...Read more

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What are the symptoms of thyroidism?

What are the symptoms of thyroidism?

2 different ways: Hypothyroid includes weight gain, slower mental processes, fatigue, constipation, reduced menstruation... Hyperthyroid includes weight loss, shakiness, elevated blood pressure, rapid heart rate, feeling hot.... See your doctor or endocrinologist. ...Read more