www.propecia.com/ say:
In clinical studies for PROPECIA, a small number of men experienced certain sexual side effects, such as less desire for sex, difficulty in achieving an erection, or a decrease in the amount of semen. Each of these side effects occurred in less than 2% of men and went away in men who stopped taking PROPECIA because of them.
Propecia Side Effects - Impotence, Low Libido, Erectile Dysfunction, Finasteride say:
MAY 16, 2012: PROPECIA VICTIM LAUNCHES HUNGER STRIKE AT MERCK USA HEADQUARTERS
"Even now, eight months after quitting Propecia, my sexual dysfunction has not resolved itself,"
added Malley. "I also suffered severe memory loss and disorientation, which made it nearly
impossible to concentrate on my work."
I can't say anything abt it, you decide for yourself.