Overview of Male Sexual Function and Dysfunction By Irvin H Hirsch, MD, Sidney Kimmel Medical College of Thomas Jefferson University Reviewed / Revised Mar 2022 | Modified Jun 2023 View Patient Education Libido Erection Ejaculation and Orgasm There are 4 main components of male sexual function: Libido Erection Ejaculation Orgasm Sexual dysfunction is a problem with one of these components that interferes with interest in or ability to engage in sexual intercourse.