Can I take penegra just for once. I attain proper erection and have no issue during intercourse but it was more harder than what it is now. I smoke one cigarette everyday approximately. Going on a vacation , hence thinking to give this a go for once. Please confirm if it's okay to try it once for an experience and if it fulfills the demand of harder erection for once. I want to take only one pill for once. What dose should I take of penegra and how much time before the intercourse. Drinks will be there at the party . Kindly suggest. Thanks in advance.