⚕️ MSRA Deep Dive Podcast: Seborrhoeic Dermatitis in Children (Cradle Cap Essentials)
🎧 Perfect for MSRA, GP trainees, paediatric exams, and anyone needing a fast, structured review of common childhood skin problems.
🧠 Key Learning Points
📌 Definition
• Seborrhoeic dermatitis is a common, benign inflammatory skin disorder in infants and children, often presenting as “cradle cap” (flaky, greasy scalp).
📌 Aetiology/Causes
• Linked to overgrowth of Malassezia yeast, excess/altered sebum (skin oil), genetics, and sometimes an abnormal immune response.
📌 Risk Factors
• Infancy (esp. under 3 months)
• Adolescence (hormonal changes)
• Family history
• Immunodeficiency, neurological conditions, HIV
• Seasonality (can worsen in winter)
📌 Pathophysiology
• Malassezia overgrowth + excess sebum → inflammation
• Increased skin cell turnover → redness, flaky scales
• Symptoms are usually mild and not intensely itchy
📌 Differential Diagnosis (Mnemonic: APCITN)
• Atopic eczema (intensely itchy)
• Psoriasis (thick, silvery scales)
• Contact dermatitis (new exposure)
• Impetigo (crusty, infected)
• Tinea capitis (fungal, scalp)
• Nappy rash, candidiasis (bright red, satellite lesions)
• Irritant dermatitis, especially in folds or from dribble/soaps
📌 Clinical Features
• Scalp: Greasy, yellow/white scales (“cradle cap”), sometimes temporary hair loss
• Face: Red, fine scaling (forehead, eyebrows, nasolabial folds, cheeks)
• Folds: Behind ears, neck, armpits, groin
• Mild itch, usually not distressing for infants
📌 Diagnosis
• Clinical—based on typical appearance, distribution, and age
• Tests only if diagnosis uncertain or not improving (e.g. skin scrapings, biopsy)
📌 Management
• Gentle skin care with mild cleansers and regular emollients
• Cradle cap routine: Soften scales (baby oil/olive oil), gentle brushing, wash with mild shampoo
• Topical antifungals: Clotrimazole 1% or miconazole 2% for persistent/recurrent cases
• Mild topical steroids (hydrocortisone 1%) short-term for flares, under medical supervision
• Avoid triggers: Harsh soaps, overwashing, overheating
• Referral: If severe, unclear diagnosis, or not responding
📌 Complications
• Rare: Secondary bacterial infection (e.g. impetigo from scratching), psychosocial impact in older children
📌 Prognosis
• Excellent—usually resolves by itself over weeks to months
• May flare, but rarely causes lasting problems
📚 Full Seborrhoeic Dermatitis MSRA Resources:
📝 Revision Notes: https://www.passthemsra.com/topic/seborrhoeic-dermatitis-in-children-revision-notes/
🧠 Flashcards: https://www.passthemsra.com/topic/seborrhoeic-dermatitis-in-children-flashcards/
💬 Accordion Q&A: https://www.passthemsra.com/topic/seborrhoeic-dermatitis-in-children-accordion-qa-notes/
🚀 Rapid Quiz: https://www.passthemsra.com/topic/seborrhoeic-dermatitis-in-children-rapid-quiz/
🎓 Full Course: https://www.passthemsra.com/courses/paediatrics-for-the-msra/
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