Eriacta 100 mg is used for erectile dysfunction or impotence issues. At the time of erection, men are not able to control over erection. It contains Sildenafil Citrate as the active ingredient that acts on the blood vessels of the penis to increase the flow of blood into it during sexual arousal for giving long-lasting sexual intercourse to men. It should be taken at least 30 minutes before the sexual activity for effective results.