man scratch oneself, dry flaky skin on hand with psoriasis vulgaris, eczema and other skin conditions like fungus

abnormal allergic allergy arm autoimmune body care closeup condition dermatitis dermatology disease disorder dry dryskin eczema epidermis finger food fungus genetic hand health healthcare human illness infection irritable itchy man medical medicine pain patches plaque problem pruritus psoriasis pustular rash reaction red scaly scratch skin skincare sore stress ugly white