Dr. BHB - identity rash under breast?

For about a week I've had this discolored area under my breast that itches and has bumps on it. I usually wear sports bras, I'm thinking maybe a sweat buildup…

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Dr. Bhb?? Help me with this rash please.

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Dr. BHB - identity rash under breast? - Page 2

Dr. BHB rash ID!

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