A 35-year-old member asked:
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can a low tsh cause hair loss?

2 doctor answers
Dr. Robert Lang
51 years experience Endocrinology
Yes: A low TSH usually means that you are have a high level of thyroid hormone in your system and hyperthyroidism can be associated with hair loss. Usually the hair becomes softer and finer with hyperthyroidism as opposed to the hair loss with hypothyroidism which is usually associated with dry coarse hair.
Answered on Mar 7, 2019
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Dr. Patrick Schaner
22 years experience Plastic Surgery
Yes it can.: Both hypothyroid and hyperthyroid can be associated with hair loss. However, the amount of circulating thyroid hormone is whats important. Thus, you can have thyroid related allopecia even with a normal TSH level.
Answered on Jul 11, 2019

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Related questions:

A 45-year-old member asked:
Dr. David Sneid
40 years experience Endocrinology
Generally low: Tsh will lead to an increased tendency for hair to break due to poor protein in the hair shaft, but it's not true hair loss. It will restart growing n ... Read More
A 57-year-old female asked:
Dr. Quang Nguyen
Specializes in Endocrinology
Unlikely: A TSH of 0.52 is in the normal range. It should not be causing hair loss. You might need to look for another cause.
A 42-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
May be: Tsh of 6 is indicative of hypothyroidism and low thyroid may be associated with hair loss. See this site for more info. http://www.mayoclinic.com/hea ... Read More
A 25-year-old female asked:
Dr. Donald Colantino
60 years experience Internal Medicine
Pharmacist: I'm not aware of any of these medications affecting thyroid function but your pharmacist can advise you as he/she has access to all the information ab ... Read More
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