Neonatal seborrhoeic dermatitis
Background
- Starts between 2-6wk of life; improves by 6 months
- Malassezia furfur, non-contagious fungus
Diagnosis
- Greasy yellow-red scales
- Proclivity for scalp (cradlecap), but may find around ears, cheeks, neck
- Not pruritic
- Also axilla and groin where there are significant sebaceous glands
Differential Diagnosis
Neonatal Rashes
- Acne
- Atopic dermatitis
- Candidiasis
- Contact dermatitis
- Diaper dermatitis
- Erythema toxicum neonatorum
- Impetigo
- Mastitis
- Milia
- Miliaria
- Mongolian spots
- Omphalitis
- Perianal streptococcal dermatitis
- Psoriasis
- Pustular melanosis
- Seborrheic dermatitis
- Sucking blisters
- Tinea capitis
Management
- Salicylic acid shampoo (Sebulex) OR
- Application of mineral oil followed by washing and removal of scales w/ comb
- Consider immunosuppression or HIV in severe or widespread lesions