My 25 day old baby has very small bumps on her face, what are they and how can they be treated

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I now have everything needed for a thorough answer. Here is the full response:

Small Bumps on Your Newborn's Face

At 25 days old, what you're seeing is almost certainly one of two very common, completely harmless newborn skin conditions - milia or neonatal acne (neonatal cephalic pustulosis). Both are normal and require no treatment.

1. Milia (tiny white/yellowish pinpoint bumps)

What they look like: Tiny, white or pearly pin-point papules, typically scattered on the nose and cheeks. They feel firm and pearly-white under the skin.
What causes them: Retention of keratin and sebaceous material inside the pilosebaceous follicles (the pores). The skin is simply too immature to shed these tiny cells normally yet.
Treatment: None needed. They resolve on their own within the first few weeks of life. Do not try to squeeze or pop them - that can cause scarring.
  • Textbook of Family Medicine 9e

2. Neonatal Acne / Neonatal Cephalic Pustulosis (small red/white pimples)

What they look like: Small inflamed papules (bumps) and sometimes pustules (tiny pimples with a white top), concentrated on the forehead, nose bridge, and cheeks. There are no blackheads (comedones).
Neonatal cephalic pustulosis (neonatal acne) - small scattered red bumps across a baby's cheek
Neonatal acne (cephalic pustulosis) on a newborn's cheek - Andrews' Diseases of the Skin
When it appears: Typically starts around 2-3 weeks of age - exactly matching your baby's age.
How common is it: Affects up to 20% of healthy newborns.
What causes it: Thought to be driven by maternal hormones (androgens) passing through breast milk or lingering in the baby's bloodstream after delivery, which transiently stimulate the oil (sebaceous) glands. A skin yeast called Malassezia may also play a role.
Treatment: In most cases, no treatment is needed. Lesions resolve spontaneously within 4-6 months without any scarring. Affected newborns do NOT have a higher risk of acne in adolescence.
  • Fitzpatrick's Dermatology, 8th ed.
  • Textbook of Family Medicine 9e

Other possibilities (less likely but worth knowing)

ConditionAppearanceKey feature
Erythema toxicum neonatorumRed blotches with central yellow/white pimplesAppears within days of birth, resolves in 2 weeks
Miliaria (heat rash)Tiny red or clear bumps from sweatWorsens in heat/humid conditions
Sebaceous hyperplasiaTiny yellowish bumps on nose/cheeksDue to maternal hormone stimulation
All of these are also self-limiting and need no treatment. - Swanson's Family Medicine Review

What to do (and not do)

DODON'T
Gently wash your baby's face daily with warm waterPop, squeeze, or pick at the bumps
Pat dry softlyApply adult creams, acne products, or oily lotions
Keep her cool if heat rash is suspectedUse exfoliating or scented products on her skin
Just wait - they will go away on their ownPanic - this is completely normal

When to see a doctor

While this is almost certainly nothing to worry about, do visit your pediatrician if:
  • The bumps spread extensively beyond the face (to trunk, limbs)
  • She develops a fever
  • The bumps become crusty, oozing, or smell infected
  • She seems unwell or irritable
  • The bumps do not improve at all by 3 months of age
Your baby's skin is simply adjusting to life outside the womb. This will clear up completely on its own.
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