February 2024 in “International Journal of Research in Dermatology” Thyroid tests may not be needed for all vitiligo and alopecia areata patients unless thyroid disease symptoms appear.
1 citations
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April 2021 in “Nepal journal of dermatology, venereology & leprology” Iron profile tests are recommended for women with hair loss, as haemoglobin levels alone are not reliable.
September 2025 in “Online Türk Sağlık Bilimleri Dergisi” Low zinc and folate levels are linked to hair loss in children.
May 2022 in “Endocrine practice” High-dose biotin can cause false thyroid test results; stop taking biotin two days before testing to avoid errors.
115 citations
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May 2016 in “Clinical Medicine & Research” TSH is usually the only test needed to check thyroid function in primary care.
April 2011 in “Medical Journal of Tabriz University of Medical Sciences and Health Services” Many patients with Alopecia Areata have underlying autoimmune disorders, especially thyroid issues.
August 2024 in “Journal of Cosmetic Dermatology” Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.
February 2025 in “Revista Eletrônica Acervo Saúde” Thyroid tuberculosis can cause hypothyroidism and should be considered when diagnosing cervical masses.
March 2021 in “CRC Press eBooks” Physical exams are important in hair loss diagnosis, considering cosmetic history, systemic diseases, and classifying alopecia types.
5 citations
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May 2019 in “Cureus” Taking biotin supplements can cause incorrect thyroid test results, leading to wrong diagnoses.
35 citations
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October 2017 in “JAMA dermatology” Children with alopecia areata should only have thyroid screening if they have Down syndrome, a history of atopy, family history of thyroid disease, or signs of thyroid problems.
19 citations
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January 2016 in “Dermatology Research and Practice” The study concluded that hair loss in Indian women is not significantly linked to anemia or thyroid problems, but checking thyroid function could help those with ongoing hair loss.
11 citations
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October 2011 in “Dermato-endocrinology” Many alopecia patients have undetected thyroid abnormalities that can be found through physical exams.
2 citations
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December 2017 in “Journal of The American Academy of Dermatology” The article suggests that five common skin-related lab tests may be unnecessary and could cause extra cost and anxiety without improving patient care.
May 2021 in “British Small Animal Veterinary Association eBooks” If a dog's skin tests are normal but it has hair loss, consider other non-endocrine causes and choose tests based on the hair loss pattern.
34 citations
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July 2006 in “Clinics in dermatology” Endocrine diseases in dogs often cause skin problems, with hypothyroidism and hyperadrenocorticism being common and leading to hair loss and infections.
18 citations
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October 1984 in “International Journal of Dermatology” Lithium therapy may cause temporary hair loss, with possible regrowth if treatment is stopped or continued.
9 citations
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September 2020 in “Journal of cosmetic dermatology” A woman developed vitiligo from repeated eyebrow microblading.
8 citations
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December 2013 in “Journal of Investigative Dermatology Symposium Proceedings” Hepatitis C treatment may trigger complete hair loss, especially in those with a history of patchy hair loss, but hair usually grows back within a year.
7 citations
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January 2012 in “International Journal of Trichology” Two siblings both had a rare case of alopecia areata at the same time.
6 citations
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February 1974 in “The BMJ” The document concludes that scalp disorders can be treated with hair washing, specific shampoos, medications, and sometimes surgery or hair transplants, but hereditary baldness is untreatable.
1 citations
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December 2020 in “Harran Üniversitesi týp fakültesi dergisi” Many people with hair loss had low iron and ferritin levels.
1 citations
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July 1996 in “Clinical and Experimental Dermatology” Routine thyroid tests for diffuse alopecia in women may not be necessary, but checking for iron deficiency anemia could be useful.
March 2024 in “Frontiers in Endocrinology” The study found that alopecia areata and hypothyroidism increase the risk of each other, but androgenetic alopecia and hypothyroidism do not.
July 2023 in “Health science reports” Alopecia Areata is linked to a higher risk of several diseases, which vary with age and sex.
67 citations
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November 2002 in “Journal of The American Academy of Dermatology” The document concludes that careful evaluation is key to diagnose and treat women with hair loss, with tests for thyroid, iron, and hormones as needed.
4 citations
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October 1998 in “In Practice” The conclusion is to thoroughly test for causes of cat hair loss and treat accordingly, considering medication only after serious conditions are ruled out.
1 citations
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December 2018 in “Veterinary dermatology” The hair coat disorder in Schipperkes is similar to Alopecia X and involves increased androstenedione levels and hair cycle arrest.
1 citations
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January 2006 in “Elsevier eBooks” Cats lose fur due to various reasons, including allergies, infections, genetics, hormones, diet, cancer, stress, and some conditions are treatable while others are not.
October 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Young women with hair loss should get hormone, thyroid, iron, and vitamin D tests, plus clinical checks.