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A member asked:
Does erythema ab igne rash blanche (disappear) when pressure is applied? if it is caused by hemosiderin deposition then surely it won't blanche?
A doctor has provided 1 answer
Shouldn't blanch: you're correct....rash is caused by thermal trauma, usually from heating pad, etc....when source is removed, will take a while to resolve. sometimes there is residual pigmentation
Answered 7/7/2019
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