September 2025 in “Indian Journal of Psychiatry” Valproic acid treatment may cause hair loss due to reduced biotinidase activity.
5 citations
,
April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
April 2024 in “JCEM case reports” A man's breast enlargement from low-dose finasteride for hair loss didn't go away, even with treatment, and might be more common than reported.
March 2026 in “Translational Andrology and Urology” Finasteride 1 mg may help prevent prostate issues, but more research is needed to confirm its benefits.
1 citations
,
August 1978 in “Dicp-The annals of pharmacotherapy” A liquid protein diet caused hair loss in a young woman.
2 citations
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May 1999 in “PubMed” Hyperandrogenism in women can cause acne, hair growth, hair loss, irregular periods, and increase the risk of infertility and diabetes.
October 2025 in “The Egyptian Journal of Hospital Medicine” Lower adiponectin and higher leptin levels may predict hair loss in alopecia areata.
June 2023 in “Dermatology online journal” A person with thyroid problems had rare, swollen, bald spots on their scalp caused by a condition usually found on the shins.
June 2013 in “International Journal of Dermatology” Central lipohypertrophy in HIV-infected women may lead to shorter eyelashes.
65 citations
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November 2004 in “Journal of the American Academy of Dermatology” Bimatoprost can cause excessive eyelash growth.
19 citations
,
November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
4 citations
,
January 1992 in “Clinical Oncology” Some cancer treatments can cause abnormal fine hair growth.
February 2013 in “Journal of the American Academy of Dermatology” A woman's hair loss looked like a different condition due to her hairstyle, and treatment stopped further hair loss but didn't regrow hair.
October 2022 in “International Journal of Ayurvedic Medicine” The treatment helped a woman with infertility become pregnant.
January 2010 in “The Internet Journal of Family Practice” Hypothyroidism slows metabolism, causing growth and mental issues in children and reversible symptoms in adults, needing early treatment.
Spironolactone is effective and safe for treating acne.
Thyroid problems can cause hair loss and change hair texture.
46 citations
,
July 1974 in “The Journal of Clinical Endocrinology & Metabolism” Low estrogen and high testosterone may cause excessive hair growth in women.
December 2024 in “Turkish Society of Clinical Biochemistry” Higher BPA levels may be linked to idiopathic hyperandrogenemia in women.
13 citations
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June 2018 in “Journal of Womens Health” Combination therapy with oral contraceptives and spironolactone improves hair growth, menstrual issues, and acne in women with PCOS.
December 2018 in “Journal of Advances in VetBio Science and Techniques” Low testosterone might be a common cause of hair loss in male dogs.
March 2023 in “Pakistan Journal of Medical and Health Sciences” Low vitamin D levels are linked to higher rates of hair loss in women.
3 citations
,
January 2019 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Idiopathic hirsutism is the most common cause, followed by PCOS, and insulin resistance should be checked in patients with acanthosis nigricans.
January 2025 in “HORMONES” Gender-affirming hormone treatments need better patient-focused outcome measurements and standardized data collection.
February 2025 in “medRxiv (Cold Spring Harbor Laboratory)” GLP-1 agonists may increase the risk of hair loss.
September 2024 in “Brazilian Journal of Case Reports” Clomiphene testing can help find ovarian causes of high testosterone in postmenopausal women.
May 2021 in “Journal of the Endocrine Society” A woman developed male characteristics after using unregulated hormone therapy.
1 citations
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October 2020 in “PubMed” Hormone testing may not be very helpful in diagnosing female pattern hair loss.
4 citations
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January 1994 in “Current Opinion in Endocrinology & Diabetes” PTHrP regulates various normal body functions, including bone development, skin, and muscle function.
1 citations
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January 2021 in “Prague medical report” Men might have a version of the female disease, polycystic ovarian syndrome, shown by changes in hormone levels and early baldness, but more research is needed to fully understand it.