Seborrheic dermatitis is a common inflammatory dermatitis with the presence of whitish plaques.
The causes of seborrheic dermatitis
A major cause of seborrheic dermatitis is sebum overproduction or the presence of fungi.
High temperatures, oily skin, infrequent shampooing, non-cleansing of the skin, obesity, stress, use of alcohol-containing lotions, and skin conditions (such as acne) are some of the causes of seborrheic dermatitis.
Symptoms of seborrheic dermatitis
Seborrheic dermatitis can occur in many different areas of the body.
Areas affected usually include:
the nasal folds
the area behind the ears
the outer ear
the skin folds on the trunk
Symptoms of seborrheic dermatitis include:
sticky plaques in a large area, dandruff
itching, which may worsen if there is an infection
skin flakes, white or pale yellow flakes
Seborrheic dermatitis is treated with medicated shampoos for the scalp and topical treatments with special cosmetics and creams containing cortisone.