Lesions commonly distributed in the sebaceous glands rich areas, i.e. the scalp, eyebrows, nasolabial folds, chest ,axillae &groin.
Seborrheic dermatitis has a characteristic morphology with red ,well marginated scaly areas and the scales may be either fine or white or yellow greasy scales.Severe cases present with thick crusting.
A. Infantile seborrhoeic dermatitis
This arises in newborn babies up to the age of six months.The scalp lesions can present as small dry patches of hyperkeratosis overlying mildly erythematous skin that may become so thickened that it forms a cap, meriting its description as cradle cap
- It usually presents as cradle cap
- May also affect skin creases such as armpits and groin (when it presents as a type of napkin dermatitis)
- Non-itchy salmon pink flaky patches may appear on the face, trunk and limbs in severe cases.
- Adulthood seborrhoeic dermatitis
- Regular use of anti-fungal agents
- Intermittent applications of topical steroids.
- Infantile seborrhoeic dermatitis
It usually clears up completely before the baby is six months old and rarely persists after one year.
If treatment is required,
- Mild emollients
- Hydrocortisone cream
- Topical ketoconazole
- Medicated shampoos( containing ketoconazole, selenium sulfide, zinc pyrithione, coal tar, salicylic acid)
- Steroid scalp applications
- Tar cream can be applied to scaling areas and removed several hours later by shampooing.
- Cleanse the affected skin thoroughly
- Apply ketoconazole or ciclopirox cream once daily
- Hydrocortisone cream can also be used
- Topical calcineurin inhibitors such as pimecrolimus cream or tacrolimus ointment may be used
8. Severe cases may receive a course of oral antifungal medication or sometimes, ultraviolet radiation..