itching of the ulcer in the upper arm, a young woman scratched her arm with one hand due to itching

ache allergic allergy antihistamine arm atopic because bite burning care child derma dermatitis dermatology disease due eczema erythema finger food fungus hand health her hurt illness insect intense isolate itch itching itchy laser macule measle medical medicine one pain palm palmar palms panorama people plantar problems psoriasis rash reaction scratch scratched scratchy skin symptoms syndrome top treatment ulcer upper woman wrist young