closeup woman hand scratching itchy skin on her neck caused by allergic to sweat

acne allergic allergy asian body care caused cholinergic closeup condition dermatitis dermatology disease drop dry eczema female girl hand health heat hives hot infection inflammation irritation itchiness itchy medical neck person problem problems rash reaction red redness scratch scratching sensitive skin spot suffer summer sweat sweating symptom urticaria warm water weather wet woman