Seborrheic dermatitis Signs and symptoms

Seborrheic dermatitis
Signs and symptoms
Seborrheic dermatitis occurs in 3-5% of the population and is in the form of red plates, covered by greasy scales, more or less itchy.
This dermatitis is limited to the face and torso areas where sebaceous glands are numerous and very active. Distribution is symmetrical, and the affected regions are covered with hair - scalp, eyebrows, chin, and forehead, nasolabial grooves and ear canal. On the trunk, especially in the right scales appear sternum and skin folds - underarms, submammary, umbilical and anogenital.
Seborrheic dermatitis that occurs in the neonatal period, disappears in the first 6 to 12 months of life, is indicating that a maternal response to hormonal stimulation.
One of the features of seborrheic dermatitis is dandruff, characterized by scaly scalp, sometimes accompanied by pruritus (itching). Many patients believe that the appearance of these fine scales, white is due to dryness and use less shampoo, which favors the accumulation of scales. Inflammation that will worsen the symptoms.
More severe seborrheic dermatitis is characterized by the presence of greasy scales on erythematous background of boards. Patients accused itching and burning sensations in the face affected by seborrheic dermatitis. Untreated, scales can thicken and become yellow and fatty. Sometimes, there is a bacterial overgrowth. 
Seborrheic dermatitis Signs and symptoms