Diseases
seborrhea
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Overview
Seborrhea is a common skin problem. It causes a red, itchy rash and white scales. When it affects the scalp, it is called “dandruff.” It can be on parts of the face as well, including the folds around the nose and behind the ears, the forehead, and the eyebrows and eyelids.
Symptoms
- itchiness (pruritus)
- flaking skin (dandruff) on your scalp, hair, eyebrows, beard or mustache
- rash that may look darker or lighter in people with brown or black skin
- ring-shaped (annular) rash, for a type called petaloid seborrheic dermatitis
- patches of greasy skin covered with flaky white or yellow scales
Causes
- the exact cause of seborrheic dermatitis isn't clear. it may be due to the yeast malassezia, excess oil in the skin or a problem in the immune system.
Risk factors
- stress
- a change of season
- fatigue
Diagnosis
- physical exam
- signs and symptoms
- skin biopsy
Medicines used
Frequently asked questions
What is seborrhea?
Seborrhea is a common skin problem. It causes a red, itchy rash and white scales. When it affects the scalp, it is called “dandruff.” It can be on parts of the face as well, including the folds around the nose and behind the ears, the forehead, and the eyebrows and eyelids.
What are the symptoms of seborrhea?
itchiness (pruritus), flaking skin (dandruff) on your scalp, hair, eyebrows, beard or mustache, rash that may look darker or lighter in people with brown or black skin, ring-shaped (annular) rash, for a type called petaloid seborrheic dermatitis, patches of greasy skin covered with flaky white or yellow scales
What causes seborrhea?
the exact cause of seborrheic dermatitis isn't clear. it may be due to the yeast malassezia, excess oil in the skin or a problem in the immune system.
Which medicines are used for seborrhea?
coal tar
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