Rash on tummy apron fold

I get the rash like you and also under my breasts.  Honestly, a spritz of Hydrogen Peroxide will clear it right up and it's under $1 for an entire bottle.  I put a cheap plastic sprayer on my regular bottle of it and use it after I shower and dry off...but only when I'm irritated...not every day.  

I understand how embarrassing it is but I do think I'll probably see a doctor for mine, when it flares, to get the documentation.  The biggest thing I hate about the rashes I get are they can become a little smelly by the end of the day or when I wake up in the morning and that just mortifies me.