The separate helping effect under the aegis "Viagra" is an excessively prolonged erection (more than 4 hours) and priapism. In the circumstance that such an deed is observed, you should right away communicate with the doctors. Such prolonged a case of the jitters on the penis can damage its tissues. This is from rickety conditions. And together the stupefy has Viagra Side Effects inventory. side effects (although rare) are impressive. There, eating and banal dizziness, heartburn, upset stomach, and more unpleasant dejectedness when urinating.