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Questions tagged [thyroid]

Questions and answers to thyroid dysfunction, thyroid diseases and physiological and biological questions related to thyroid disorders.

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3
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1answer
62 views

Can taking high doses of iodine every day cause psychosis?

I know few people who take high doses of iodine everyday. They take this medicine called Lugola: https://www.cefarm24.pl/plyn-lugola-40-g-coel-roztwor-wodny-jodu-produkt-farmakopealny.html 1 g of ...
3
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1answer
56 views

What is the quantitative relationship between free T4 and TSH?

I am looking for quantitative data regarding the relationship between free T4 levels and TSH levels in normal thyroid function and treated hypothyroid. The feedback loop means that if all is ...
5
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1answer
166 views

Abnormal thyroid function and obesity - known links?

In conversations regarding the increasing number of people that are obese (in an American or European context), often times claims regarding thyroid function being a significant contributor to these ...
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2answers
482 views

How much Japanase dashi kombu seaweed broth can be consumed daily while not overdosing with iodine and keeping thyroid healthy?

I have already asked the question on Quora in the past, yet I have not received satisfactory answers. See the link here. I'd like to consume miso soup often, however, the dashi for the soup (Japanese ...
3
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0answers
42 views

Can thyroid disease be reversed without using lifelong medicine?

From what I see online is that there may be a connection between leaky gut, thyroid and cholesterol. Docs prefer to give medicines usually life long but I saw that thyroid disease can be reversed with ...
5
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1answer
89 views

How much T4 increase do you get per mcg of levothyroxine?

A normal starting dose of levothyroxine is 50 mcg per day. According to ATA, absorption is 60-80%. Let's assume 70% and let's assume 5 L of blood in the average human being. 50 mcg * 0.7 / 5.0 = 7 ...
2
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1answer
83 views

Synthroid : 30 minutes to 1 hour before meal. What if person waits more than 1 hour

My dad is currently taking Synthroid and according to instructions (link) Use SYNTHROID only as ordered by your doctor. Take SYNTHROID as a single dose, preferably on an empty stomach, one-half to ...
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0answers
17 views

How serious is thyroid swelling while on medication for Graves Disease?

Last month I suffered a bout of severe muscle weakness that led to a diagnosis of hyperthyroidism caused by Graves Disease. I am currently on medication but yesterday I noticed that a visible bulge ...
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0answers
35 views

Can you be hyperthyroid even if levels are in Lab range

Lab test shows normal T3 ,T4 and TSH levels but signs of hyperthyroid are present like hair shedding, increase Heart rate, irritability. Is it possible to be hyperthyroid or can there be other disease....
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0answers
15 views

Prevalence rate of thyroid cancer

I am looking for the newest information about the global rate of thyroid cancer. I've searched on WHO website, but it didn't work. Please introduce up-to-date, informative resources. Thank you.
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0answers
32 views

thyroid stimulating hormone levels and thyroid

I recently got myself tested for my T3 levels and TSH too as I usually developed hand tremors and fast heart beats at sudden occasions. I am 18 yo. My TSH level is 5.21 μIU/ml. According to me, the ...
1
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1answer
59 views

Why i feel cold [closed]

I would like to ask you if you know the reasons somebody feels Cold .I have underthyroid problem.Is there connection between the cold and the underthyroid?My age is 25 and i am woman
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0answers
61 views

Low protein intake role in thyroid disorders

What is the role of low protein intake in the development of thyroid disorders? Can solely lack of protein in diet be a cause of thyroid disorders?
2
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1answer
183 views

Why might lab test results be normal when thyroid nodules are present and there are symptoms of hyperthyroidism?

By ultrasound there are many nodules in Thyroid gland but all thyroid tests (TSH,T4,T3, microsomal and thyreoglobulin antibodies) are within normal range but there is clear heperthyroidism signs like ...
3
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1answer
398 views

Lab test result meaning

Why in this lab test results the microsomal antibodies amount has less sign and thireoglobulin antibodies don't have this sign? I did not question it first but now I have suspicion may be I am not ...
2
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1answer
390 views

Thyroid Peroxidase (TPO) Ab Test- normal or abmormal

I had a variety of test ran on my thyroid and I'm waiting to see the DR. My question is the TPOAb reference rang is 0-34. Mine came back as 9 IU/ml. Is this still considered normal or abnormal? I also ...
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0answers
210 views

Different reference ranges of thyroid antobodies

This is related to the following thread: http://health.stackexchange.com/questions/3312/tpo-thyroid-peroxidase-antibodies-reference-range-change I have a question regarding the reference ranges of ...
4
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2answers
68 views

Radioactive Iodine for Hyperthyroidism: why avoid contact with others?

I can readily see why it's desirable to avoid contact with women who are or might become pregnant, and to avoid contact with children. However, many sources go further than this. For instance, http://...
9
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1answer
862 views

Does hyperthyroidism affect serotonin levels?

I have read that hyperthyroidism can cause depression. Is this because of low serotonin levels or is there is another cause? Does this kind of depression need to be checked by a psychiatrist? Edit (...
4
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0answers
81 views

What to eat to maintain regular thyroid activity?

My friend has hypothyroidism and I have had hyperthyroidism in the past. What foods can people eat or avoid to assist in regulating our thyroids? I remember something about Iodine, perhaps? Please ...
8
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2answers
3k views

How does ones TSH tend to vary over the course of a day?

A single TSH (Thyroid Stimulating Hormone) blood test is commonly used to help diagnose thyroid problems, however my understanding is that the TSH tends to vary substantially over the course of a day, ...
9
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2answers
2k views

Is eyebrow hair loss common in hyperthyroidism?

I have seen many articles talking about hair loss in regards to hypothyroidism but very few about hyperthyroidism. People suffer from hair loss in both thyroid diseases, but is it common to lose hair ...
5
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1answer
77 views

Routine exams in patients with hypothyroidism

In people with hypothyroidism that is being treated with thyroid hormones and that are not showing symptoms or hypothyroidism, how often should these tests be performed: TSH blood test T4 blood test ...
2
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0answers
127 views

Strong earthquake sensation in one's head, what could it be? [closed]

Patient is in early 70s, female, very healthy, but has a slight thyroid deficiency issue that is adequately treated with the relevant drugs. Now, she occasionally (rarely) mentions that she ...
12
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1answer
16k views

TPO (Thyroid Peroxidase) Antibodies - reference range change

A couple years ago (end of 2013) the reference range for TPO antibodies (TPOAb) was <35 IU/ml but now it's <9 IU/ml. That's a huge change (almost 4x). Does anyone know why it changed by so ...
5
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2answers
168 views

What are the dangers of screening tests in overdiagnosis and overtreatment?

I have recently seen a number of articles in the lay public print on overdiagnosis, for example in the New York Times, Study Points to Overdiagnosis of Thyroid Cancer. In the article, they state that ...
4
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1answer
5k views

What is normal range of Anti TPO antiodies test?

What is normal range of Anti TPO antiodies test? My relative have undergone this test and got value 207. Her TSH is also 5.8