Try vigora 50 for erectile dysfunction (impotence). The main ingredient of this medicine is sildenafil citrate. This ingredient will help you end your impotence quickly. This pill increases the blood flow in the blood vessels of the male genital organs and gives you a better erection during sexual activity. But if you are currently suffering from a heart attack/stroke, you should inform your doctor before taking this medicine. This medicine should be taken once every 24 hours. In the case of high doses, there is a possibility of side effects. To know more about tablets, visit pharmev.com.