Seborrheic dermatitis.
Seborrheic dermatitis (SD) - also called Dandruff (mild form), seborrheic eczema and seborrheic psoriasis - is a chronic recurrent common skin inflammation that mainly affects the scalp. It causes scaly patches, red skin and stubborn dandruff. Seborrheic dermatitis can also affect oily areas of the body, such as the face, sides of the nose, eyebrows, ears, eyelids and chest.
- Etiology: unknown; possible factors are malessezia (fungus in oil secretion on the skin), irregular immune response.
- Risk factors: HIV; neural disease; Parkinson disease; facial palsy; neuroleptic medications and emotional stress.
- Signs and Symptoms: are usually confined to area of the head and trunk where sebaceous glands are most prominent.
- Skin flakes (dandruff) on your scalp, hair, eyebrows, beard or mustache
- Patches of greasy skin covered with flaky white or yellow scales or crust on the scalp, face, sides of the nose, eyebrows, ears, eyelids, chest, armpits, groin area or under the breasts.
- Red skin
- Itching
- Treatment:
- Ketoconazole 2%
- Shampoo: leave 5-10 mins x 2 times.
- Steroids: Bethamethasone valerate 0.1% (for severe itching); Pyrithione shampoo 1-2% (for dandruff).
- Daily cleansing with a gentle soap and shampoo can help reduce oiliness and dead skin buildup.