skin disease prickly heat rash or miliaria on back skin of asian woman. healthcare skin cause for outdoor work in sunny with hot

allergic allergy atopic care cause cold condition cracked crytallina dermatitis dermatological dermatologist dermatology disease dry epidermis flake food health heat hot ill infection insect irritation itch itchy lymphatic medication medicine miliaria profunda pustulosa rash reaction red rubra scratch sick skin sore spot sunny sweat symptom treatment unhealthy urticaria weather winter