The appearance of eczema can vary from person to person. In adults, eczema occurs most frequently on the hands and elbows, and in "bending" areas such as the inside of the elbows and back of the.
Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune system disorders and medications. One of the most common skin disorders that causes a rash is atopic dermatitis (ay-TOP-ik dur-muh-TI-tis), also known as eczema. Atopic dermatitis is an ongoing (chronic) condition that makes skin red and itchy.
Seborrheic dermatitis is the single most common rash affecting adults. It produces a red scaling often itchy eruption that characteristically affects the scalp, forehead, brows, cheeks, and external ears.
Grouped herpetiform vesicles of herpes zoster (shingles) are shown. Skin rashes caused by bacterial, viral, or fungal etiologies are common presenting complaints to primary care clinics, emergency departments, and dermatologists.