Chronic actinic dermatitis

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Chronic Actinic Dermatitis

Chronic Actinic Dermatitis (pronounced as kroh-nik ak-tin-ik der-muh-tahy-tis) is a skin condition that is characterized by an abnormal reaction to sunlight or artificial light sources.

Etymology

The term "Chronic Actinic Dermatitis" is derived from three words. "Chronic" is from the Greek word "chronos" meaning time, indicating a long-term condition. "Actinic" is from the Greek word "aktis" meaning ray, referring to the light that triggers the condition. "Dermatitis" is from the Greek words "derma" meaning skin and "-itis" meaning inflammation, indicating an inflammation of the skin.

Definition

Chronic Actinic Dermatitis (CAD) is a type of photosensitivity disorder where the skin becomes inflamed due to exposure to sunlight or artificial light sources such as fluorescent lights. This condition is chronic, meaning it persists over a long period of time.

Symptoms

The symptoms of Chronic Actinic Dermatitis include redness, itching, and scaling of the skin. These symptoms are usually seen on areas of the skin that are exposed to light, such as the face, neck, and hands. In severe cases, blisters and skin erosions may also occur.

Causes

The exact cause of Chronic Actinic Dermatitis is unknown. However, it is believed to be an abnormal immune response to light. Certain medications, such as thiazide diuretics, phenothiazines, and quinolones, may also increase the risk of developing this condition.

Treatment

Treatment for Chronic Actinic Dermatitis involves avoiding exposure to light as much as possible. This may include wearing protective clothing and using sunscreens. In some cases, medications such as corticosteroids and immunosuppressants may be prescribed to reduce inflammation and suppress the immune response.

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