Fildena online is the best medicine taken for male sexual problems like impotence and erectile dysfunction. This medicine contains an ingredient called sildenafil which helps in increasing the blood flow to the prostate tissues in men. This medicine is to be taken only by men aged 18 to 65 years. You can take this medicine before or after food. The effect of this medicine lasts for 4 to 6 hours. Do not consume fatty foods or alcoholic beverages with this medicine.