Viagra is a treatment associated with erection failure in men. Viagra is a remarkable drug invented in the field of medicine science. Viagra decreases the chances of erection failure in men. Erectile dysfunction (ED) treatment with Viagra is just a matter of few minutes. Viagra is a wonderful medicine, which gives faster result.

While it is the generic form of the original drug called Viagra, sildernafil citrate is the active chemical composition used in it. Sildenafil Citrate rapidly mixes within the blood vessels and regulated the flow of blood, so that man can easily achieve erection. The mechanism action of Viagra is to stop the action of PDE5 enzyme and that is responsible for producing blockages in the arteries and veins in the penis and disturbs the flow of blood.  Viagra also produces CGM enzyme that is responsible to improve the flow of blood the penile region. When this mechanism takes place smoothly, man can easily attain erection through sexual stimulation.

Viagra takes 30-40 minutes to start showing its satisfying effect, but only when a man is excited or sexually stimulated by his partner. The drug remains active in your blood for more than 4 hours so that they enjoy multiple orgasms.