Skin barrier and inflammation & Scratching, flares, and infection

Skin barrier and inflammation

Atopic dermatitis is chronic eczema with itchy, scaly skin eruptions. Some affected people lack proteins that help maintain the protective water barrier, making skin more sensitive. Asthma and seasonal allergies are common associations, but association does not mean allergy causes every case. Dryness, irritating materials, temperature changes, stress, and fragrances can worsen flares. The barrier problem and inflammation help explain persistent dryness and itching. Changes may include dry skin, oozing or crusting blisters, raw areas from scratching, and thickened skin from long-term irritation.

Scratching, flares, and infection

Changes may include dry skin, oozing or crusting blisters, raw areas from scratching, and thickened skin from long-term irritation. It commonly starts in infancy, although the course varies. Some children improve as they grow; adults may experience persistent or recurring disease. Scratching damages skin and infection can complicate the condition. Fever, increasing redness, or pain are reasons to contact a healthcare professional. Diagnosis primarily uses skin appearance and personal and family history.

Key concepts

Skin barrier and inflammation

Atopic dermatitis is chronic eczema with itchy, scaly skin eruptions.

Scratching, flares, and infection

Changes may include dry skin, oozing or crusting blisters, raw areas from scratching, and thickened skin from long-term irritation.

Appearance, history, and selective tests

Diagnosis primarily uses skin appearance and personal and family history.

Retaining moisture and reducing irritation

Moisturizers help retain water, especially when applied while skin is still damp.

References

• MedlinePlus en español — Atopic Dermatitis