There is a new drug called Vitaros, which is a topical gel, applied to the penis, that causes an erection, even if there is no sexual stimulation. Canada just approved this drug and they are looking at US and Europe. The drug has been available for years in asia though. Anyone heard about it?
http://www.apricusbio.com/press_11152010.html
http://www.apricusbio.com/press_11152010.html