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Doctor insights on: Underactive Thyroid Eyebrows Growth In Opposite Direction

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Dr. Su Fairchild
1,251 doctors shared insights

Hypothyroidism (Definition)

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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Does hair color negatively affect hair loss/ hair thinning due to underactive thyroid?

Does hair color negatively affect hair loss/ hair thinning due to underactive thyroid?

No.: If you mean hair dye, no -- it will make no difference, one way or the other, in your rate of hair loss. The hair will usually grow back once your thyroid level is corrected, however. ...Read more

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Hypothyroidism in adolescent affected growth and left untreated till 21yo,is it possible to make growth back to normal ?

Hypothyroidism in adolescent affected growth and left untreated till 21yo,is it possible to make growth back to normal ?

Many factors: Many factors are involved--genetics, length of time without treatment for low thyroid. Has puberty completed and have bony growth centers closed? Please see your doctor and have a bone age x-ray done. Also check to make sure patient is on sufficient thyroid hormone. Good luck. ...Read more

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I have pain in hair roots when moving hairs or comb.And lossing 75 to 125 hairs daily.Having thyroxine for high TSH .What is the cause of hair loss?

Most likely: Due to the hypothyroidism which is now being treated. It will take months after your thyroid level is normalized for the hair breakage to stop, but you won't permanently lose any hair. It regrows, but takes months. ...Read more

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When pituitary gland is responsible for thyroid .Then effect on TSH goes to high or low side of normal range means hypo or hyperthyroid condition?

If your: Pituitary is responsible for hypothyroidism, by definition your TSH will be low. That's what causes the thyroid deficiency. If it is normal, and your free T4 is normal, you do not have hypothyroidism or are on replacement, possibly unnecessarily. Check w/your doctor or see an endocrinologist. ...Read more

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Can Adderall (dextroamphetamine and racemic amphetamine) lower testosterone or cause low testosterone ? Can it lower human growth hormone? Affecting bone or penis growth?

Can Adderall (dextroamphetamine and racemic amphetamine) lower testosterone or cause low testosterone ? Can it lower human growth hormone? Affecting bone or penis growth?

Adderall (dextroamphetamine and racemic amphetamine) and hormone: Millions of people take Adderall (dextroamphetamine and racemic amphetamine) for adhd. If there is no significant suppression of appetite, then there should be no impact on sex hormones, growth, or development of other organs. ...Read more

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Does menopause lead to slow growth and/or loss of body hair i.E. Leg and arm pits?

Does menopause lead to slow growth and/or loss of body hair i.E. Leg and arm pits?

Yes: Menopause also causes lower testosterone levels which affect your body hair. Testosterone is produced in the ovaries (which are no longer working in menopause) & in the adrenal glands which slow down with age as well. ...Read more

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While stress/thyroid/vitamin deficiency can cause hair loss, is hair loss around the crown of the head normal?

While stress/thyroid/vitamin deficiency can cause hair loss, is hair loss around the crown of the head normal?

Male pattern loss: Hair loss around the crown of the head in men, is usually part of male pattern hair loss -- and while upsetting to many men, is "normal." http://www.Webmd.Com/skin-problems-and-treatments/hair-loss/hair-loss-introduction-mens some research is now developing about vitamin d in this situation -- it's not ready for clinical application yet, as it's only gone as far as animal research. ...Read more

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Why hyperthyroid can cause gynecomastia? What's the connection thyroid hormone and estrogen, testosterone?

Complex interaction: Gynecomastia can occur in hyperthyroidism due to an induced increase in peripheral aromatase activity leading to an increase in circulating estrogen levels, and thus decreased testosterone levels. Most of the estrogen in men is made from the peripheral conversion of testosterone and other androgens to estrogens. Other mechanisms are probably at play as well. ...Read more

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40 F generally healthy. Recently checked hormones due to hair loss. Thyroid/hormones normal,but testosterone 14 on scale of 20-70. Any relation?

40 F generally healthy. Recently checked hormones due to hair loss. Thyroid/hormones normal,but testosterone 14 on scale of 20-70. Any relation?

Unlikely: There are a lot of causes of hair loss in females. The pattern needs to be looked at and need to start simple first. One of the most common causes is iron def (w or w/o anemia), recent illness, physical stress. Before getting to worried basic things should be checked. Testosterone in a female also has a lot of controversy. START SIMPLE with a good dermatologist, Gyn or endocrinologist! ...Read more

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Losing huge amount of hair taking Synthroid (thyroxine) and cortef? Will my hair grow back?

Losing huge amount of hair taking Synthroid (thyroxine) and cortef?  Will my hair grow back?

Autoimmune Alopecia: Assuming that you have autoimmune thyroid disease and addison's disease, hair loss may also be the result of autoimmune attack on your hair follicles. Given both adrenal and thyroid involvement it is also possible that the alopecia is from being sick awhile before treatment in which case it may improve with hormone replacement. A dermatologist will help to sort out and treat if necessary. ...Read more

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Relation between high Cortisol levels and growth of facial hair in women?!

Relation between high Cortisol levels and growth of facial hair in women?!

Hirsutism: The short answer is yes but the longer answer is very complicated. There are many reasons for women to have excess facial hair with androgen excess being on example. Androgen is a hormone very similar to cortisol and some patients with high cortisol levels also have high androgen levels leading to facial hair or male features. ...Read more

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Can human growth hormone affect the thyroid?

Can human growth hormone affect the thyroid?

No: No but if you were diagnosed with gh deficiency, it's not uncommon to have associated thyroid problems since TSH (the pituitary signal the controls thyroid production from the thyroid gland) is secreted from cells that are adjacent to the gh secreting cells. ...Read more

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What happens when an adult's (over age 35) growth hormone is stimulated & produces excessive amt of hormone (don't have acromegaly). Can U grow taller?

What happens when an adult's (over age 35) growth hormone is stimulated & produces excessive amt of hormone (don't have acromegaly). Can U grow taller?

Well: generally cannot grow taller at age 35 since bone growth plates are already closed.The person would get Arcomegaly type features growth of feet and parts of face can occur ...Read more

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Dr. Quang Nguyen
871 doctors shared insights

Hypothyroidism (Adult) (Definition)

Hypothyroidism is a condition where the thyroid gland does not secrete enough of the thyroid hormones. Symptoms include cold intolerance, constipation, and fatigue. ...Read more


Dr. Cornelius O'leary jr
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