Q:

What is a crust around the ear?

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Quick Answer

Seborrheic dermatitis is a skin condition that can be the cause of a flaky crust building around the ear. The exact cause is unknown, but it is believed to be brought on by stress, extreme weather conditions, skin problems, use of lotions containing alcohol or obesity, according to MedlinePlus.

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Full Answer

Seborrheic dermatitis is not limited to the ear. It can occur on the scalp, face, eyelids, eyebrows and nose. The flaky crust is often treated with dandruff shampoos that can be bought over the counter, states MedlinePlus. Corticosteroid creams are also used to treat the symptoms. When an infant is diagnosed with seborrheic dermatitis, the condition is referred to as cradle cap.

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