Erectile dysfunction is a problem in which men are aroused to have sexual activity as well as try to strengthen their penis with full struggle and can sustain their penis in the vagina with their partner for a long time despite struggling to maintain a hard erection for a long time. Not at all. If you are also experiencing this during sexual activity with your partner then you are also suffering from sexual problems. The best and most effective treatment today is cenforce FM 100 tablets!!! These pills improve blood flow in the penis of men and help in achieving a strong erection. This drug gives effective results for 4-6 hours.