Finasteride improves hair but may reduce sperm quality at higher doses.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
March 2008 in “Aging health” Docetaxel is safe and works well for older people with cancer, with manageable side effects.
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A small BOTOX dose improved sperm production and movement in older mice.
Long-term finasteride use may affect sperm structure and chromosomes.
July 2007 in “Journal of Reproduction & Infertility” Short-term finasteride use likely doesn't harm male fertility.
October 2020 in “Journal of Pakistan Association of Dermatology” Finasteride appears safe for long-term sperm concentration, but more research is needed for clear conclusions.
11 citations
,
June 2001 in “PubMed” Coconut oil can penetrate hair better than mineral oil, potentially protecting against damage.
June 2014 in “The Journal of Urology”
45 citations
,
August 1994 in “Journal of Chromatography B: Biomedical Sciences and Applications” Method detects finasteride in plasma and semen with high sensitivity and accuracy.
5 citations
,
December 2012 in “PubMed” Stopping the use of the drug finasteride can improve sperm count and does not prevent normal conception, but caution is advised when trying to conceive.
1 citations
,
November 2019 in “Trends in Urology & Men s Health” Haematospermia is usually harmless but needs careful checking to ease anxiety and find any serious causes.
6 citations
,
June 2014 in “PubMed” Combining TUSV with finasteride effectively treats recurrent hemospermia.
January 2018 in “日本薬理学会年会要旨集 =” Stopping finasteride improves sperm quality but not semen volume in young men.
October 2010 in “Journal of Men's Health” Larger prostate size in older men may be linked to poorer semen quality and fertility issues.
April 2022 in “The Journal of Sexual Medicine” Treating hematospermia can improve sexual function and reduce anxiety.
72 citations
,
September 1975 in “Biology of Reproduction” Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
2 citations
,
March 2016 in “The Journal of Urology” Male infertility often lacks thorough investigation, potentially missing reversible causes.
9 citations
,
April 2007 in “Journal of Andrology” Excessive pre-ejaculation can be treated with certain medications.
6 citations
,
November 2018 in “Journal of molecular histology” Testosterone increases fluid secretion and aquaporin expression in the vas deferens, which is important for male fertility.
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.
April 2026 in “Research Square” COVID-19 can harm male fertility by reducing sperm stem cells and damaging testicular function.
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.
4 citations
,
October 2020 in “Toxicology Mechanisms and Methods” Hesperidin protects rat testicles from finasteride damage and improves sperm health.
5 citations
,
February 2013 in “Journal of Liquid Chromatography & Related Technologies” Method accurately measures finasteride concentration in medicine.
June 2009 in “Chin J Endocr Surg” Finasteride with antibiotics is more effective for treating hemospermia than antibiotics alone.
13 citations
,
September 2011 in “International Urology and Nephrology” Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
15 citations
,
January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
11 citations
,
September 2015 in “Theriogenology” Testosterone boosts fluid and electrolyte secretion in seminal vesicles, aiding sperm function.