April 2026 in “BMJ Case Reports” Leydig cell tumors can cause high testosterone in women and are treated by removing the ovaries.
September 2024 in “Journal of Clinical and Translational Endocrinology Case Reports” Biotin can interfere with lab tests, causing misdiagnosis.
November 2022 in “Journal of the Endocrine Society” A man's rare adrenal tumor caused feminization and white hair, was removed surgically, and improved after treatment.
26 citations
,
January 2000 in “Hormone research in paediatrics” Insulin resistance is linked to high male hormone levels in women, often seen in those with PCOS.
14 citations
,
January 2008 in “Gynecological Endocrinology” High levels of male hormones in women without tumors are linked to metabolic problems and can be treated with metformin.
18 citations
,
March 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.
4 citations
,
January 2013 in “PubMed” Testosterone and finasteride raise insulin and zinc, lower chromium in male rats.
28 citations
,
October 1998 in “Baillière's clinical endocrinology and metabolism” Testosterone replacement may help post-menopausal women with androgen insufficiency, but more research is needed on its benefits and risks.
14 citations
,
December 1998 in “The Journal of Clinical Endocrinology and Metabolism” MENT could be a better option than testosterone for male hormone therapy and birth control because it works well at lower doses and has fewer side effects on the prostate.
12 citations
,
January 2020 in “touchREVIEWS in Endocrinology” Testosterone may both worsen and protect against COVID-19 effects in men.
14 citations
,
December 2010 in “Seminars in Oncology” Rare adrenal cancers that secrete androgens or estrogens have a poor prognosis and are treated primarily with surgery.
11 citations
,
November 1982 in “British journal of dermatology/British journal of dermatology, Supplement” Testosterone and some of its forms can strongly stimulate oil gland growth in skin.
10 citations
,
August 2014 in “Skin research and technology” Sleep, testosterone levels, and a specific enzyme activity affect skin oil production in women.
9 citations
,
January 2007 in “Endocrine Practice” A woman's male-like symptoms and high testosterone were due to ovarian hilus-cell hyperplasia, which improved after surgery.
October 2022 in “Endocrine journal” Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.
April 2020 in “Journal of the Endocrine Society” A woman's high testosterone and related symptoms were caused by overactive cells in her ovaries.
September 2012 in “African Journal of Urology” Testosterone replacement therapy improves libido, mood, muscle strength, and bone density in men with Testosterone Deficiency Syndrome.
November 2022 in “Journal of the Endocrine Society” Taking biotin can lead to incorrect low results in free testosterone tests.
10 citations
,
April 2006 in “Seminars in Reproductive Medicine” Testosterone therapy may improve mood, well-being, and sexual function in premenopausal women, but more research is needed on its long-term safety and effectiveness.
8 citations
,
February 2009 in “Current Women's Health Reviews” Testosterone treatment can improve sexual function and bone density in women but may have adverse effects and requires more research on safety and guidelines.
5 citations
,
August 2018 in “Sexual Medicine Reviews” 5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.
72 citations
,
October 1998 in “Baillière's clinical endocrinology and metabolism” Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
July 2020 in “International Journal of Research” High testosterone increases heart disease risk in women with PCOS.
92 citations
,
November 2003 in “The Journals of Gerontology” Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.
81 citations
,
May 2007 in “Fertility and Sterility” Testosterone therapy seems safe for postmenopausal women for a few years, but more research is needed for long-term effects.
71 citations
,
August 2019 in “The journal of sexual medicine” Testosterone treatment effectively causes male physical development in transgender male adolescents but may lead to side effects like acne, higher BMI and blood pressure, lower good cholesterol, and decreased bone density.
49 citations
,
August 1996 in “The Journal of Clinical Endocrinology and Metabolism” The combination of cyproterone acetate and testosterone enanthate is highly effective in preventing sperm production and could be a good reversible male contraceptive.
46 citations
,
January 2008 in “Climacteric” Testosterone therapy can help improve sexual desire and function in postmenopausal women but may cause side effects and is not FDA-approved for this use.
38 citations
,
February 2005 in “The journal of sexual medicine” The testosterone patch and gel are both effective, but they have different absorption patterns and effects on hormone levels.
34 citations
,
February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.