Generic Viagra is a generic counterpart of Brand Viagra. Viagra was first produced by Pfizer in 1998 to treat mens health problems that are impotence or erectile Dysfunction. Erectile Dysfunction is a physical state in which a man is not able to get and attain erections. Generic Viagra treats erectile dysfunction and male impotence problems easily and in a proper way. The active ingredient in Generic Viagra is Sildenafil Citrate which is also an active ingredient in Brand Viagra. Sildenafil Ci