Viagra is the first of a new group of medication which allows adequate sexual stimulation, relaxes the blood vessels of the penis and helps erection.
Viagra is the most popular ED pill on the market.
Viagra stays in the system for around 4 hours and it starts working as fast as within 15 -30 minutes.
Viagra works equally well in mostly all the cases of erectile dysfunction, caused either by due to physical causes like diseases, be it type1 or type2 diabetes, high blood pressure or any other vascular problem or psychology induced erectile dysfunction. Viagra also works equally well in the patients of prostate surgery.
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