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Overview
What is scalp seborrheic dermatitis?
Itching, flaking and scaling skin above the hairline can be quite common. In its mildest form it is called dandruff. But when there is an annoying itch, extreme flaking along with inflamed greasy, scaly-looking skin above the frontal hairline or around the ears, it could be scalp seborrheic dermatitis SSD. Seborrheic dermatitis is a non-contagious skin condition that can range in severity from a light mild rash to severe redness and is often associated with itching and yellow greasy scaliness. It is a stubborn and persistent condition that can cause a great deal of discomfort.
Seborrheic dermatitis usually affects the scalp but can also occur on other parts of the face and body such as the nose, eyelids, ears, and navel as well as skin folds under the arms, breasts, groin and buttocks.
Inflammation typically occurs in these areas because it is where skin oil glands are largely concentrated.
Stress, fatigue, extreme weather conditions, oily skin, infrequent shampooing or skin cleansing, skin disorders such as acne, obesity, and the use of lotions that contain alcohol have all been found to increase the risk or worsen seborrheic dermatitis. Another cause believed to contribute to outbreaks of seborrheic dermatitis is related to an increase in the numbers of a fungus called Pityrosporum ovale normally present in the skin. The incidence and severity of the condition may also be influenced by a combination of genetic or hormonal factors which might explain why it can appear in infancy and disappear before puberty.
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