2 citations,
January 2023 in “Sexual Medicine” The Men's Training Cup Keep Training masturbation aid may help delay ejaculation and improve erectile function.
15 citations,
June 1995 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect erections much, but may decrease libido in men.
74 citations,
July 1991 in “The Journal of Urology” Minoxidil works better than nitroglycerin for treating impotence with fewer side effects.
14 citations,
June 1995 in “The Journal of Clinical Endocrinology and Metabolism” 13 citations,
November 2012 in “PubMed” 5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.