Seborrheic dermatitis is a chronic skin condition mainly affecting scalp, face and oily areas, with scales and redness.
In this article
Key takeaways
- Chronic but controllable
- Often caused by Malassezia and hormonal factors
- Worsens with stress and cold
- Standard treatment: medicated shampoo and creams
- Should not be self-diagnosed as simple dandruff
Symptoms
- White or yellow scales on scalp
- Redness on eyebrows, sides of nose, ears
- Mild to moderate itching
- Greasy skin sensation
Causes and factors
Genetic predisposition, Malassezia fungus, stress, cold or dry climates, weakened immune system, some medications. Not caused by poor hygiene.
Treatment
- Shampoos with ketoconazole, zinc pyrithione or selenium sulphide
- Creams antifungal or mild corticosteroids
- Calcineurin inhibitors in chronic cases
- Avoid irritating products
Lifestyle
Reduce stress, maintain good hygiene without over-washing, avoid alcohol-containing products, moisturise skin with appropriate products.
Difference from other conditions
- Dandruff: flaking without redness
- Psoriasis: thicker silvery scales
- Atopic dermatitis: more itching and different locations
- Dermatology evaluation needed to distinguish
Have dandruff or scalp itching?
The dermatology team at Clínica Eupnea offers personalised diagnosis and treatment.
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