Ok to start off, im to scared to go to the doctor cause of embarrament............ My nuts are red, itch a lot at night time, and sometimes turn purple..... I had unprotected sex.... Is this a STD? I shaved it cause i thought i had crabs, but it worked for a little *****, still red but not itchy......... HELP PLEASE, if this is really bad im just going to go to the hospital!