Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
6 citations
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April 2022 in “Biomedicines” COVID-19 may harm male fertility by affecting sperm production.
6 citations
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June 2014 in “PubMed” Combining TUSV with finasteride effectively treats recurrent hemospermia.
March 2024 in “The journal of sexual medicine” The therapies improved ejaculation disorders and sexual function in middle-aged men.
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.
5 citations
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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.
June 2009 in “Chin J Endocr Surg” Finasteride with antibiotics is more effective for treating hemospermia than antibiotics alone.
2 citations
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October 1999 in “The Journal of Urology” June 2011 in “Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)” Estrogens and androgens are crucial for male fertility.
5 citations
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June 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.
February 2026 in “Andrology” Post-orchidectomy semen has better DNA integrity for fertility treatments.
1 citations
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May 2024 in “The Journal of Sexual Medicine” Clomiphene Citrate can quickly restore fertility in some men after long-term steroid abuse.
2 citations
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October 2000 in “The Journal of Urology” Finasteride daily doesn't affect sperm production or semen in young men.
Finasteride and testosterone are the drugs most linked to male infertility, but many other potential drugs may be under-reported.
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.
16 citations
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January 2017 in “Asian journal of andrology/Asian Journal of Andrology” Men who start puberty later may have lower sperm quality and different hormone levels in adulthood.
September 1978 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” 
Some drugs can reduce male semen quality.
September 2011 in “Urology” The IPP index is linked to storage symptoms and leftover urine, and may help manage urinary tract symptoms.
26 citations
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July 2019 in “Fertility and Sterility” Reproductive gynecologists are the main referrers for male infertility evaluations in North America.
9 citations
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August 1952 in “The Journal of Clinical Endocrinology & Metabolism” A 17-year-old female with adrenogenital syndrome produces very high levels of androgens, which prevent complete feminization despite high estrogen doses.
August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
Certain medications can negatively impact male fertility.
April 2018 in “The Journal of Urology” Imipramine and pseudoephedrine treatment can effectively restore normal ejaculation in patients with diabetes, increasing their chances for pregnancy.
April 2022 in “The Journal of Urology” Men may experience long-term sexual dysfunction after stopping Finasteride.
April 2016 in “The Journal of Sexual Medicine” March 1997 in “Fertility and sterility” Finasteride is an effective and well-tolerated treatment for hirsutism.
15 citations
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October 2012 in “International Urology and Nephrology” Low-dose finasteride may cause fertility issues, but stopping it can improve sperm quality and lead to pregnancy.