Unlike PE, ED is more common in older men. Erectile dysfunction and premature ejaculation can often co-occur, leading to the need to find a treatment that is suitable for both conditions. Viagra, Cialis and Levitra can be prescribed for men with premature ejaculation when it co-occurs with erectile dysfunction. Some studies were conducted. Premature ejaculation PE is thought to be the most common male sexual dysfunction;. that PE grade improved 2.7 points in the vardenafil.