So in June I met a boy in a different country and we slept together a couple of times. When I came home my fanny became really itchy and burning I took a thrush treatment but it didnt help. I then got tested for STI and it came back clear, then all of a sudden the burning stopped.

Fast forward to last week, I flew out and saw him again, I’ve just got back to the US and it happening again.

What could it be?