Fildena 150 mg is used in sex. People who work well erection. It works in properly timed sexual intercourse. It is necessary to take that medicine according to that time. You should take that medicine with water. Sildenafil cleanses the blood. After a long time, it works in erection strongly. If you are taking medicine frequently, it will gradually show its effect on your body. Depending on the person, that medicine has more effect. It is sold in large quantities in the market.