Buy viagra online from pfizer
Pfizer is the drug company that manufactures Viagra. It is one of its fastest growing product and the demand is continually increasing almost everyday. It seems there is no stopping the growth of Viagra as the leading erectile dysfunction drug or anti male physical impotency pill in the market today. It is marketed by Pfizer as the blue diamond tablet and is available in twenty five, fifty and one hundred milligram pill. It is also known as the blue pill or the diamond tablet because of its color and shape. Its active ingredient is Sildefanil Citrate.
The drug acts by dilating the arteries and arterioles of the genital area increasing the blood flow to the penis during stimulation. It acts on the smooth muscles of the micro vasculature by relaxing them thus increasing their lumen and size. This action seems to be specific to the genital area specially the penis in that part of the corpus spongiosum. This increase in perfusion results in erection and rigidity of the penis sufficient for vaginal penetration. It resembles the normal physiologic response of the male genital organs during arousal, actual sexual intercourse until orgasm or climax. Once ejaculation is achieved, the penis returns to its flaccid state and blood is drained from the corpus spongiosum. The micro vasculature returns to its pre arousal levels.
The drug also affects the male sexual response and the different stages of the sexual cycle. The arousal stage or the stimulation stage is enhanced. The physiologic changes during this stage such as penile enlargement and erection is markedly faster than that without the drug. There is no effect however on the nipple of the male. There is no similar nipple engorgement or erection compared to the normal male sexual response. The climax or orgasmic stage is altered in a way that it is made more intense. The slope of the response curve is made steeper which means that the time to reach orgasm is faster. During the resolution stage, the return of the penis to its pre arousal size and level is almost the same compared to that without the drug. However the refractory period or the time spent for the penis to become erect again after an ejaculation is greatly shortened.
You can buy viagra in pharmacies or or you can also buy viagra online and enjoy the benefits one can achieve by using the drug regularly.
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