Factors Driving Unique Urination Phenotypes of Male and Female 9-Week-Old C57BL/6J Mice

The conversation discusses the impact of finasteride on sperm, including potential side effects like decreased ejaculate volume and total sperm count. Users share experiences and concerns about fertility tests before and after starting finasteride.

A 25-year-old male experienced increased testosterone and estradiol levels after starting finasteride for hair loss, leading his doctor to suggest a testicular ultrasound as a precaution. The user questions the necessity of the ultrasound, considering it potentially excessive, while others suggest it could be a useful precaution to rule out any issues.

Finasteride may affect prostate sensation and size, with some users reporting easier urination. Concerns exist about prostate shrinkage even at lower doses.

A 23-year-old male experienced an increase in testosterone levels after taking 1 mg of finasteride daily for six months, with no significant side effects reported. Users discussed how finasteride inhibits DHT, leading to increased testosterone, and debated the psychological versus physiological effects of the medication.

Dutasteride is recommended for men on testosterone replacement therapy (TRT) with DHT-sensitive hair, as it does not interfere with TRT's anabolic effects and may improve libido and aging male symptoms. Users report varying experiences with libido when switching from finasteride to dutasteride, with some noticing improvements and others experiencing fluctuations.

A 30-year-old man experienced significant hair regrowth and improved libido after using finasteride and dutasteride for androgenetic alopecia, with no adverse effects. He plans to reduce dutasteride dosage when trying to conceive and has been using topical minoxidil since 2015.