Raw / itchy burning??? Help!:(

Me and my boyfriend have unprotected and protected sex. Well for a few days I started to get a sore itchy feeling and it feels weird you know? It stopped for a day when I was in the shower and kinda scrubbed at it to see if it was anything to do with that. Then I went to my mans house we had sex and it happened again. Well we had sex tonight too and now when I went to the bathroom it did it again yet kinda burned... could it be a yeast infection?! I’m on the pill and i read it could cause it..

Idk I’ve never had one please help!!