Fildena 150mg is powerful medicine is used to treat erectile dysfunction or impotence in men. The main ingredient in this drug is sildenafil citrate, which works by increasing blood flow to the penile area. When the penis is full of blood flow, you can easily have sex because the penis long time erect during sexual intercourse. Thus, in this way you can achieve a long and strong erection during sexual intercourse. This drug should be taken at least 40-50 minutes before sexual activity. This helps you enjoy desirable and pleasurable sex.