Hello, Dr. its Raza,i am 27 years OLd,i have a problem with my penis , sometimes when i am drving a bike my penis becomes necrosis , now when i stand up or get down from bike it comes to the normal state? What could be the cause of it? when i see a sexy video or think about sex some sticky drops come out from my penis..so what are those drops? do they harmful? how can i cure them.. Please advice will be greatly thankful to you Thanks Raza