Seborrheic Dermatitis is a type of common harmless skin disorder that mainly affects your scalp.   It is also called Seborrheic  Eczema. It presents with scaly, flaky, itchy, and red skin. It is believed to be due to a combination of an over production of skin oil and irritation from a yeast called malessizia. It can also affect your face, upper chest, back, the armpits, under the breasts, the groins and inside and behind the ears.

The first signs of seborrheic dermatitis are flaky skin and scalp. Other symptoms include: Skin lesions, Plaques over large area, Greasy or oily areas of skin, Skin scales – white and flaking, or yellowish, oily, and adherent (dandruff), Itching (may become more itchy if infected), Mild redness and Hair loss. In more severe cases, yellowish to reddish scaly pimples appear along the hairline, behind the ears, in the ear canal, on the eyebrows, on the bridge of the nose, around the nose, on the chest, and on the upper back.

The exact cause of seborrheic dermatitis is unknown. It mainly affects the young adults on many different body areas.  It causes ill-defined dry pink or skin coloured patches with yellowish or white bran-like scale in the scalp. Slowly it may spread to the entire scalp. It is a common view within the eyebrows, on the edges of the eyelids, inside and behind the ears and in the creases beside the nose.

Some kids develop a similar condition and it usually clears within a few months.Seborrheic Dermatitis Such condition is called cradle cap. It is harmless temporary condition. It is not dangerous or contagious. It looks like thick, crusty, yellow or brown scales over the kid’s scalp.  It may also affect the eyelids, ear, around the nose, and in the groin.

In most people it does no harm. But some rare people may react to this yeast germ in some way which causes the skin inflammation. It is not contagious or related to diet or poor personal hygiene. It fluctuates in severity and may persist for years. Studies proved that People who have immune system problems like HIV/AIDS and people with heavy alcohol intake, and with neurological disorders such a Parkinson’s disease, are major victims of seborrhoeic dermatitis.

It is commonly aggravated by changes in humidity, seasons, trauma, emotional stress, infrequent shampoos or skin cleaning, oily skin and secondary bacterial or fungal infections.

Seborrheic dermatitis can be controlled by paying careful attention to skin care and with proper treatment.