Such rashes: are called "EVANESCENT" rashes! They are associatede for the most part with INFECTIOUS (usually VIRAL) or ALLERGIC/IMMUNOLOGIC disorders Start with your PCP who can SCREEN you for various causes ...If you see a DERMATOLOGIST MAKE SURE you HAVE the rash when you see him/her! Hope this helps! DR Z
Answered 11/27/2017
1.4k views
Can't say: This rash would likely need to be examined and more history obtained to be able to provide you with useful input about the diagnosis or possible treatment.
Answered 11/2/2020
30 views
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