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Neonatal rashes
From WikEM
This page is for neonatal patients; for other age groups see general approach to rashes and pediatric rashes
Contents
Background
Dermatology Nomenclature
Small lesions (<0.5cm)
- Macule – flat, cirumscribed, colored, non palpable
- Papule – raised, solid and palpable
- Vesicle – raised, palpable, clear fluid-filled
- Pustule – raised, palpable, pus filled (leukocytes or keratin)
Large lesions (>0.5cm)
- Patch – large macule (flat non-palpable colored area)
- Plaque – superficially raised, circumscribed solid area
- Nodule – distinct large papule
- Bulla - large vesicle (blisters if epidermal layer completely sloughed off)
- Wheal – firm and edematous plaque (edema of the dermis)
Other
- Plaque/scaley papule
- Eschar
- Erosion/ulcer
- Purpura/petechia
- Plaque/smooth papule
Clinical Features
Differential Diagnosis
Neonatal Rashes
- Atopic dermatitis
- Diaper dermatitis
- Erythema toxicum neonatorum
- Neonatal acne
- Psoriasis
- Seborrheic dermatitis
- Tinea capitis
- Impetigo
- Contact dermatitis
- Perianal streptococcal dermatitis
- Milia
- Miliaria
- Mongolian spots
- Omphalitis
- Pustular melanosis
- Sucking blisters
Evaluation
Neonatal rashes visual diagnosis
Erythema toxicum
Contact diaper dermatitis
