What Causes ED? Erection problems Prostate cancer: Prostate cancer doesn't cause ED on its own, but treatment (radiation, hormonal manipulation, or surgery to remove the cancer) can lead to erectile problems. "Prior studies have shown that the oral phosphodiesterase type 5 inhibitor, sildenafil (Viagra, Revatio) improves exercise capacity in patients with pulmonary arterial hypertension," Fonarow said. "This medication is currently FDA-approved for this indication, but must be taken three times daily." Design: Secondary analysis of cross-sectional survey data from the Australian Study of Health and Relationships. Have you had any psychological problems such as stress, anxiety and depression? Infection While men who have had the prosthesis surgery can see the small surgical scar where the bottom of the penis meets the scrotal sac, other people probably will be unable to tell that a man has an inflatable penile prosthesis. Most men would not be embarrassed in a locker room or public restroom, for example. Adverse events These drugs are included in a family of medications called phosphodiesterase type 5 (PDE-5) inhibitors. While pulling back may not be helpful, trying harder isn't the answer either. Indeed, while many women jump ship in troubled waters, others take the opposite approach and try to drown their mate in eroticism, believing the problems will disappear if they simply try harder. Not only is this not true, experts say this approach can make things worse. ANSWER: Erectile dysfunction (ED), or impotence, refers to the persistent or recurrent inability to achieve or maintain an erection. It is a common condition with 52 percent of men aged 40-70 reporting some degree of impotence or erectile dysfunction. Self-injection of these agents has been of enormous benefit because they represent the most effective way to achieve erections in a wide variety of men who otherwise would be unable to achieve adequately rigid erections. Newer Pharmacologic Alternatives for Erectile Dysfunction Buy viagra Canada Conclusion The researchers conclude that erectile dysfunction in diabetes is due to a selective defect in the NO mechanisms within the PVN. This defect is a loss in the synthetic enzyme for the production of NO within the neurons of the PVN. Restoring this synthetic enzyme may have a significant therapeutic value for diabetic patients with ED. Erectile Dysfunction and Gene Therapy Prolonged erection (longer than 4 hours)