DefinitionSeborrheic dermatitis is a chronic skin condition that causes a red, scaly, itchy rash. It can appear as a mild, white scaling or a yellowish greasy or reddish scaly rash. Most commonly affected areas are along the hairline, in and behind the ears, on the eyebrows, around the nose, and on the chest.Dandruff is a type of seborrheic dermatitis where there is a scaling of the skin on the scalp. The area can be dry or oily and is sometimes itchy.
|© Nucleus Medical Media, Inc.|
CausesThe exact cause of seborrheic dermatitis is unknown. Common skin yeast organisms may play a role in some people.
Risk FactorsRisk factors include having:
- Oily skin or hair
- Family members who have seborrheic dermatitis
- Chronic conditions, including disorders of the immune system such as HIV infection
- Neurological conditions, such as Parkinson disease or, less commonly, stroke
SymptomsThe symptoms can vary from mild to severe. They include:
- Dry or greasy scaling of the scalp
- Itchy scalp
- Itchy, scaly rash with small pimples
- Thickened, flaking skin
- Reddened skin over the forehead and on either side of the nose
DiagnosisYou will be asked about your symptoms and medical history. A physical exam will be done. The diagnosis is made by the appearance of the rash.You may be referred to a doctor who specializes in skin disorders (a dermatologist).
More from Beliefnet
Improving parent-adolescent sexual communication has been noted as one factor that could help to encourage adolescents to practice safer sex behavior. This study found that sexual communication with parents plays a small protective role in safer sex behavior among adolescents.
Celiac Disease May Increase the Risk of Bone Fractures
Music May Improve Sleep Quality in Adults with Insomnia
CPAP May Help Older Adults with Obstructive Sleep Apnea