What is diffierent singles rash from Hsv 2 rash,,,? I had this rash on my butt for over 10 year for come and go,, doc said it was singles but when I took std test then type 2 herpes ,and low positive result ,, hope false positive.. I am now feel like a ending of the world if I am really got herpes from my pass relationship..,,I will never have a any relationship again till I die,