Generic viagra and Brand viagra , both works. The only difference between is the cost difference. Buying Generic viagra from Online pharmacy is risky because sometime it is nothing but sugar pills or sometime it doesn't work at all. I am associate with generic viagra online pharmacy so i know how pharmacy tend to fool people by giving different product under name of Generic viagra.
Advice: If anyone ordering anything from Online pharmacy. Always order sample pack or small cost pills and evaluate the pharmacy based on its payment gateway, delivery time, support service and finally ordered product. This way you can prevent yourself from getting fooled by fake pharmacies.

Because Prevention is better than cure