February 2017 in “The Journal of Sexual Medicine” Finasteride for hair loss can cause erectile dysfunction due to tissue fibrosis.
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.
July 2021 in “Indian Journal of Animal Research” Using platelet-rich plasma with primary repair improves healing in penile fractures.
April 2017 in “The Journal of urology/The journal of urology” Long-term use of certain prostate drugs can worsen erectile dysfunction by changing penile tissue, especially in rats with high blood pressure.
Hormones, especially testosterone and DHT, are key for penis development and function, and testosterone therapy may help with erectile dysfunction in those with low levels.