woman suffering from skin disease hand scratching on her back that redness and itchy due to allergy to sweat

acne allergic allergies allergy atopic back beauty bite body care condition dermatitis dermatological dermatology disease disorder dry eczema epidermis female fingers hand health herpes hives hot hygiene illness infection inflammation insect irritation itch itchy medical problem rash reaction redness scratch scratching season sensitive skin suffer suffering summer sweat swollen symptoms virus weather wet woman