Contact dermatitis Dyshidrotic eczema (pompholyx) Seborrheic dermatitis Both eczema and dermatitis are terms that refer to an inflammation of the skin, which causes patches of red, dry, itchy, and sometimes blistered skin.
Atopic eczema is the most common type of eczema and often appears in infancy. The cause is unknown, but people with an inherited tendency to allergies are more susceptible. The main symptom of atopic eczema is an intensely itchy rash, which often becomes scaly.
Contact dermatitis is due to direct contact with an irritant substance or an allergen. It can occur at any age and typically causes patches of red, itchy, flaky skin that may develop into raw patches or oozing blisters. Contact dermatitis usually affects only the area of skin that has been in direct contact with the irritant or allergen. Seborrheic dermatitis can occur at any age and causes a red, scaly, itchy rash on the face, scalp, chest, or back.
The cause is unknown, but the rash often develops during times of stress and is sometimes associated with excessive growth of a yeast that is normally present on the skin. Dyshidrotic eczema, also called pompholyx, causes small, itchy blisters on areas where the skin is thickest, such as the fingers, palms, and soles.
The cause of dyshidrotic eczema is unknown. Symptoms of eczema may be relieved by measures such as avoiding irritant substances and known allergens; using hypoallergenic moisturizers on the skin; and covering the affected area with a dressing to prevent scratching.
A doctor may also recommend more specific treatment, depending on the type and severity of the eczema

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