hi i have itch around my pubic hair area,.my hair gets stuck together sometimes and i have nodules on the end of my pubic hair ,also my scrotum area is red and itchy,i noticed this after i had sex with a girl and felt something penetrate (bite me ) i dont have an STD ,i have been checked ,and i have tried anti fugal shampoos and creams,this happened in UK but this girl has been abroad ,,please help me