Male impotency as the main annoyance to the mankind resulted due to different both physiological anarchies and mental conflicts. Viagra is such an excellent creation of the medical science to eliminate the difficulty of impotency. Viagra is a blue color pill used usually to manage the erectile dysfunction of penis during sexual encouragement. Consuming Viagra augments arterial blood flow into the penis encouraging erection permitting the passes of sperms to female genital organ

Viagra improves the relaxation of smooth muscles of the penis that is responsible for erection of penis allowing the proper circulation of blood to parts of the penis. Thus sexual stimulation is must for using Viagra that can be in any form like touch or kiss. The action of Viagra does not remain for long it normally loses after the intercourse. The duration of action of Viagra ranges from 30 minutes to about 4 hours and one must use Viagra under doctor’s advice only. Viagra do not make the erection of penis at anytime but its effectiveness resulted only when the man is sexually inspired.