hi, everything started 3 years ago with a irritation on the vulva and at the entrance of avgina and also around the anus ,lots of discharge ,burning sensation,and a few blisters dr told me i have bv got treat and was fine for 1 month and then the irritation appear in exactly the same place and also at the entrace of vagina ,and feels like a burn the intercourse is impsobile because of the pain ...during of 3 years i had 2,3 episode per years when 1 blister appear after a few days breaks and turns into a ulcer but after 1 eek is heal....and the irritation still there on all the vulva ,in the last 3 months i feel that my symptoms are getting worse i started to have again irritation around my anus like the begging ,and i have alredy 2 times a blister ....i did tests and biopsy and all came negative,i indeed will go these days and do again for all the infection and in bloood also...i dont know what to do anymore for 3 years i suffer from this and no doctor helps me .