Overview
The cause of seborrhoeic dermatitis is unknown. There are two types of seborrhoeic dermatitis:
- infantile seborrhoeic dermatitis - commonly seen in newborns and babies
- adult seborrhoeic dermatitis - commonly seen in middle-aged adults
Seborrhoeic dermatitis presents with yellowish, greasy scales on the scalp. The underlying scalp skin is red. In mild disease only patchy areas of the scalp are affected. In more severe cases, there may be diffuse scaliness and redness. Seborrhoeic dermatitis may affect the skin over the eyebrows, inner cheeks, chest, back and the groin. The condition may or may not be itchy. Seborrhoeic dermatitis is not a fungal infection although yeast infections have been reported to be associated with seborrhoeic dermatitis. Patients with HIV infection may develop very severe seborrhoeic dermatitis.
Detection & Treatment
Treatment of seborrhoeic dermatitis consists of mild antiseptic or antifungal shampoos and mild topical steroid lotion or gel. The condition tends to be recurrent.
For seborrhoeic dermatitis of the body or face, cleanse twice daily with a gentle soap; a mild steroid or antifungal cream can be used for skin rashes. Steroid creams should be used sparingly as they may cause thinning of the skin. For very severe, persistent seborrhoeic dermatitis, your doctor may prescribe a course of antifungal tablets. Scalp seborrhoeic dermatitis is treated by shampooing two to three times a week with an anti-dandruff shampoo, such as selenium sulphide, coal tar, cetrimide, zinc pyrithione or ketoconazole. Olive oil or cocois ointment may be applied one to two hours before shampooing or left overnight to remove thick scales.
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