psoriasis vulgaris on the male hands with plaque, rash and patches, on white background. autoimmune genetic disease.

abnormal adult allergic allergy and arm autoimmune background body care closeup condition dermatitis dermatology disease disorder dry dryskin eczema epidermis finger flaky genetic hand hands health healthcare human illness irritable isolated itchy male man medical medicine nail pain patches patient plaque problem psoriasis pustular rash reaction red scaly skin skincare stress treatment ugly vulgaris white