National Nursing Review : Nursing Study Resources & Health Tips

Seborrheic dermatitis is a dermatosis erythemato-squamous very common, representing about 7% of consultations in dermatology and reached 1-3% of the population. It varies depending on age. Rare before puberty, its peak is between 18 and 40 years with a strong male predominance. After age 40, its frequency decreases and it affects virtually the men.

The diagnosis is mainly clinical. The lesions are erythematous, scaly plaques with ill-defined, covered with scales more or less adherent. The affected skin areas correspond to areas rich in sebaceous glands and / or rich in keratin, which are descending order of frequency: the scalp, face, the middle parts of the trunk. The main functional signs are itching associated with burning surface.

Scalp seborrheic dermatitis is highly variable intensity, clinical presentation ranges from simple dandruff to the most severe forms where lesions may coalesce into plaques covering the entire scalp. (more…)