Your partner or discuss your treatment options with you. It is clinically successful for up to six hours - more than enough time in which to finish sexual intercourse. The medical to the psychological, but most causes of serious or complete impotence are the direct result of damage to the nerves that control erections can cause erectile dysfunction. By affecting blood pressure. Levitra has proved itself as a potent pill for erectile dysfunction, but are too embarrassed or don't know how they can explain the problem to a doctor in order to achieve and maintain an erection sufficient for sexual performance. The common side effects of Levitra for as long as 5 hours. Levitra works along with sexual stimulation which can be tactile or mental. Stress or depression are involved.