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A member asked:
A couple red flat lesions in chest and abdomen area come n go when i sweat becomes darker in color ( red) what can it be?
A doctor has provided 1 answer
Rash: Could be allergies, you can develop allergies ( contact/environmental/ food) even if you never had them. They darken when you sweat because you are vasodilating/ increasing blood flow to the area when sweating. Would test for lyme disease. It could also be related to change in vasomotor tone to triggers/stress/catecholamines/histamine, rarely autoimmune conditions. Follow up with a doctor
Answered 8/13/2014
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