what does this rash look like?!

Emma
It doesn't itch but it burns!
Feels suuuper hot like the worse sunburn ever!
Only appears after I shower, 5-10 mins. I put an honey-oat mixture on it and it goes away in about 30-60 mins. 
Happened twice today (after morning shower and after my workout shower. Spots did not appear in the same spots, but were the same spots.)
I have NOT changed my soap at all, haven't changed anything not even my food seasoning.
I have a dog, but I don't react to her like this. I am cuddling my dog every possible second, I don't have any reactions towards her. Or any other dogs I'm around.
I DID go to a doctor today and they couldn't figure it out at all.
Said it looked like hives, but hives would itch. This burns.
Shingles burns, but looks and acts nothing like these spots!
She gave me the medicine for shingles just incase I notice the blisters, but we're clueless!!!!!  Haven't heard anything about the local water supply, but honestly I'm super nervous.

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