In individuals with seborrheic dermatitis, the skin inflammation is characterized by redness and extensive itching. Plaques may be present extensively, resulting in an excessive deposition of greasy or powdery white scales or flakes (dandruff) which fall off while itching.
Patients often report a burning sensation on the face.
Hair loss may result as a side effect of inflammation. This may be temporary (2-6 month) but may become permanent, if left untreated for long periods.
The distribution of the infection is classically symmetric. The commonly-affected sites include-
- Hairy areas of the head and scalp
- Eye brows and lashes
- Forehead
- Nose
- External ear
- Beard and mustache
- Underarms
- Navel
- Anus
- Genital areas
