Normal diaper rash or yeast rash?

Kelsey • TTC baby #2❤️ Baby girl born 03/26/2019🎀💗

It’s on my 8 month old’s inner thigh roll. Please don’t say ask a doctor because NO SHIT SHERLOCK but if it’s regular diaper rash then there’s no reason to go in.. I’ve been using aquaphor on it the past 2 days and it hasn’t gone away