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Understanding Skin Lumps on Toddlers: Causes and When to See a Doctor
White lumps on a toddler's arms/legs are often benign:
- Keratosis pilaris: Rough, follicular bumps; hereditary; harmless
- Molluscum contagiosum: Pearly, umbilicated papules; viral; contagious; self-limited
- Folliculitis: Pustular, itchy; bacterial; may need topical antibiotic
- Eczema/psoriasis: Scaly patches; chronic; manage with emollients/steroids
- Milia: Tiny epidermal cysts; resolve spontaneously
When to See a Pediatrician
- Rapid growth, pain, redness, warmth → infection
- Systemic symptoms (fever, lethargy)
- Cosmetic concern or parental anxiety
- Uncertain diagnosis
Do not squeeze. Most resolve with time or simple care.
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