mottled skin heat rash hives allergy knee close-up blotchy mottled red skin erythema ab igne also known as eai

allergic allergy atopic atrophy background beauty blotch blotchy body bottle caucasian closeup condition death dermatology eai erythema exposure happen healthcare heat hives hot igne inflammatory knee leg life limb livedo macules marble marbled medical mottle mottled nettle patch problem rash reaction red reference reticularis situation situations skin suffering symptoms syndrome temperature thigh toasted undefined urticaria water