ihoreaktio
Ihoreaktio is a Finnish term meaning a skin reaction or cutaneous response to an external or internal stimulus. It describes changes in skin appearance or sensation such as redness, swelling, itching, blistering, scaling or pain that arise when the skin responds to physical, chemical, infectious, immunologic or drug-related triggers.
Common causes include contact dermatitis (allergic or irritant), drug eruptions, atopic dermatitis flares, photodermatitis, insect bites,
Clinical presentation varies by cause and severity. Localized reactions may present as erythema, papules or vesicles;
Diagnosis is based on patient history, physical examination and, when indicated, patch testing, skin biopsy, laboratory
Prognosis depends on the underlying cause and timely intervention; many contact or allergic reactions resolve with