May 2012 in “Reactions Weekly” A man developed hair loss from testosterone treatment but improved with additional medication.
2 citations
,
March 2020 in “Baghdad Science Journal” Finasteride effectively reduces DHT and E2 levels, helping with prostate enlargement.
April 2022 in “Diabetes Therapy” Low testosterone does not prevent prostate cancer in men with type 1 diabetes.
September 2017 in “ics.org”
1 citations
,
January 2017 in “Tohoku journal of experimental medicine” A woman's mature cystic teratoma caused her virilization by producing testosterone.
6 citations
,
April 2011 in “British journal of oral & maxillofacial surgery/British journal of oral and maxillofacial surgery” Surgeons' testosterone levels significantly increase during major head and neck cancer surgeries.
40 citations
,
March 1982 in “British Journal of Dermatology” Young women with diffuse hair loss may have low SHBG levels, which could lead to more active testosterone and contribute to their hair loss.
1 citations
,
May 2025 in “International Journal of Impotence Research” Older age and low testosterone increase the risk of kidney stones in men.
3 citations
,
April 2012 in “Fertility and Sterility” Finasteride may cause infertility in rats by affecting epididymis and sperm function.
January 2024 in “Life sciences” Testosterone affects blood vessel relaxation in hypertensive rats.
January 2008 in “Yearbook of Endocrinology” Dutasteride and finasteride can change semen and hormone levels in men.
Finasteride improves hair but may reduce sperm quality at higher doses.
Testosterone's health effects are complex and not definitively understood.
417 citations
,
February 2004 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy increases bone density in older men with low testosterone levels.
10 citations
,
June 1998 in “PubMed” Finasteride significantly reduces DHT levels in male dogs without affecting testosterone levels, suggesting it could be used to treat benign prostatic hypertrophy in dogs weighing 10 to 50 kilograms.
17 citations
,
May 2012 in “Clinical Endocrinology” Surgery to lower high testosterone in postmenopausal women with certain ovarian tumors doesn't significantly affect their metabolism.
7 citations
,
January 2021 in “The Journal of Sexual Medicine” Testosterone with dutasteride improves muscle strength and body composition in trans men.
2 citations
,
August 2021 in “The Journal of Urology” The procedure involving seminal vesiculoscopy, TURED, and balloon dilation effectively treated a man's hematospermia and improved his dysorgasmia.
61 citations
,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism”
March 2026 in “Frontiers in Medicine” High-dose testosterone with finasteride improves muscle health in males with spinal cord injury.
1 citations
,
May 2021 in “Problemy e̊ndokrinologii” Androgen levels can increase at any age, affecting symptoms like acne, hair loss, and prostate size.
31 citations
,
January 2017 in “Advances in Experimental Medicine and Biology” Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.
August 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Finasteride, at doses of 5mg or higher, may negatively affect male fertility by reducing the expression of certain genes involved in sperm production.
December 2016 in “The Journal of Sexual Medicine” Finasteride for hair loss may cause erectile dysfunction due to tissue fibrosis, and various factors contribute to female sexual dysfunction.
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.
1 citations
,
January 2004 in “Linchuang pifuke zazhi” Low-dose finasteride can cause painful breast enlargement in men, which resolves after stopping the medication.
23 citations
,
January 2007 in “Archives of Andrology” Finasteride may negatively affect male fertility.
15 citations
,
June 1995 in “The American Journal of the Medical Sciences” Finasteride caused enlarged breast tissue in a 62-year-old man.
2 citations
,
May 2019 in “PubMed” Oral finasteride and dutasteride may negatively affect erectile function in rats.
July 2010 in “学術講演梗概集. A-1, 材料施工” Finasteride effectively slowed hair loss and promoted hair growth in Taiwanese men with AGA.