This drug works mainly in men. Called sildenafil. It works strongly prematurely with long periods of time in this sex. fildena 100 purple pills taking medicine from stimulated. Take the medicine 30-35 minutes before anyone engages in sexual intercourse. So works in more sex. Sildenafil increases the speed in the blood sufficiently. Take the medicine once in 24 hours. It increases capacity. It works to eliminate the problem of sexual intercourse.