View article

The three major forms of male sexual dysfunction are ejaculatory dysfunction, erectile dysfunction (ED), and decreased libido (hypoactive sexual desire disorder). While survey findings vary considerably, most epidemiological studies suggest that premature ejaculation (PE)(also known as early ejaculation or rapid ejaculation) may be the most common male sexual disorder. Data from the National Health and Social Life Survey have revealed a prevalence of 21% in men ages 18 to 59 in the United States. 1 Using various definitions, other studies report prevalences ranging from less than 5% 2 to greater than 30%. 3–5

A universally accepted definition of PE has yet to be established. Masters and Johnson proposed one of the earliest definitions that focused on the inability to delay ejaculation long enough for the woman to achieve orgasm fifty percent of the time, assuming that PE is the sole cause of the female …