Penegra medication is a highly successful treatment for problems with male erection. Male impotence is removed by the active element in this medication, Sildenafil Citrate. This medication helps men's penile tissues receive more blood flow. Men who are at least eighteen years old should only use this medication. In order to have satisfying sex with your partner, you take this medication half an hour before engaging in sexual activity. Take this medication either before or after a meal. Alcohol or fatty foods should not be consumed while taking this medication. As directed by your physician, take this medication.