Seborrheic dermatitis

Seborrheic dermatitis is a type of chronic eczema that appears mostly on the upper back, scalp nose, or other oily areas of skin. https://www.msdmanuals.com/home/skin-disorders/itching-and-dermatitis/seborrheic-dermatitis It can begin at any age and causes itchy patches and inflamed skin and varies from dandruff to white or yellow crusty flakes.https://nationaleczema.org/eczema/types-of-eczema/ Seborrheic dermatitis may cause greasy or red areas of skin.

Learn more

 * Seborrheic dermatitis - Merck Manuals
 * Types of eczema - National Eczema Association