Fildena is a medicine. Which is taken by men who are suffering from erectile dysfunction or impotency disease. This medicine works to increase the blood flow in the penile part. When the penis is full of blood, you will be able to maintain an erection easily during sexual intercourse. Take this medicine half an hour before your love-making time. This drug stays in your body for 4-5 hours and gives you the pleasure of having sex. Do not take more than one tablet within 24 hours. Do not consume any type of alcoholic beverages after taking this medicine.