Do not take other medicines unless they have been discussed with your doctor. Sildenafil, a selective inhibitor of phosphodiesterase type 5 PDE5 , is an effective oral medication for the treatment of erectile dysfunction. Next review due on August 01, Similar results were reported in other studies in which friends, the internet, and sex shops were the primary source of information 6. Caution should be exercised in patients with one or more risk factors for cardiovascular or cerebrovascular disease, which include myocardial infarction, cardiac arrest, angina, ventricular tachycardia, hypertension, and other cardiac symptoms. The availability of sildenafil without a prescription paper and lack of concomitant monitoring of its utilization were some of the main contributing factors for its misuse. Just log in to your Treated account and send them a message.El sildenafil -conocido también como Viagra, Revatio, Herex, Clavupen, Sildenafilo o Disilden- es un medicamento inhibidor de la PDE5 (fosfodiesterasa tipo 5) que se administra por la vía oral antes de la actividad sexual para ayudar a los hombres que sufren de disfunción eréctil a lograr y mantener una erección. En algunos casos, también podría . Sildenafil is a prescription drug. It comes in the form of a tablet and suspension (liquid). Both are taken by mouth. It also comes in an intravenous (IV) form, which is only given by a doctor. Background: Men who use erectile dysfunction medications for recreational purposes may be at increased risk of becoming psychologically dependent, which in turn could lead to psychogenic-based erectile dysfunction symptoms. Sildenafil has become one of the most commonly prescribed and abused drugs available ives: This .