skin allergies

Skin allergy is the phenomenon of skin inflammation caused by contact with certain allergens, specifically manifested as contact dermatitis, seasonal dermatitis and atopic dermatitis, eczema, urticaria, etc. Mild skin allergy will show erythema, papules, severe may show blisters, erosions, water seepage, long-term allergic patients skin will be thickened and keratinized due to scratching, normally accompanied by different degrees of itching.