[Sherman]

There are also lawsuits against viagra for causing hearing loss. So if you don't have problems should you stop using viagra? The reality is all drugs have side effects and it is impossible with current technology to make a safe one-size-fits-all drug that accomodates everyone's body type. In the future they are working on designer drugs that can adopt to the individual variations in the human body.

http://www.yourlawyer.com/topics/overview/viagra