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Dandruff Definition & Overview

Definition

Seborrheic dermatitis is a chronic skin condition that causes a scaly, itchy rash. It can appear as a mild, white scaling or a yellowish greasy or reddish scaly rash. Most commonly affected areas are along the hairline, in and behind the ears, and on the eyebrows, around the nose, and chest.

Dandruff is a type of seborrheic dermatitis. It is the scaling of the skin on the scalp. It can be dry or oily and sometimes itchy.

Seborrheic dermatitis involves swelling and redness of the underlying skin (inflammation), while dandruff is just a mild, white scaling of the scalp (no inflammation).

Seborrheic Dermatitis

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© 2009 Nucleus Medical Art, Inc.

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition. Copyright © 2019 EBSCO Publishing All rights reserved.

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