How To Heal Injured Penis And Erectile Dysfunction?

hi doctor i was in a fight with a group of men and finally they kicked me on the bollocks or balls since then i do not get an erection from anything im puzzled what kind of help do i need or have to seek and the penis has shrunk and shrugged up i feel different since and i have some kind of black deposit on my underpants everyday i have tested for aids and its hiv- and where do i go from there