What is the rash red itchy vaginal sores?

Some newer advanced itchy rash on the exam: question mom Coraline : What is the itchy red sores vaginal rash I panicked, took the other night me and my boyfriend getting sex and since then I have an itchy rash super, it is not rough or something, did not look red and painful, and not only in components of its course it all, all the way to my anus. I have some thick white discharge and it has a smell, but not confident I think its yeast simply because Ive had it and it smelled anders.please

Itching Urticarial Rash