Alopecia Areata in Babies
The short answer
Alopecia areata is an autoimmune condition where the immune system attacks hair follicles, causing round, smooth patches of hair loss. While uncommon in babies, it can occur at any age. The condition is not painful or contagious. Many children experience spontaneous hair regrowth, though it may take months. Your pediatrician or dermatologist can confirm the diagnosis.
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By Age
What to expect by age
Alopecia areata is very rare at this age. Any hair loss in newborns is more likely due to normal shedding or positional friction. If a smooth, round bald patch is present at birth or appears very early, your pediatrician should evaluate it.
If a well-defined smooth bald patch appears that is different from typical friction-related hair loss, have your pediatrician evaluate it. Alopecia areata patches are smooth without any scaling, redness, or broken hairs, which distinguishes them from fungal infections.
Alopecia areata can begin to appear at this age. The patches are typically round, smooth, and skin-colored. There may be one or a few patches. Your pediatrician may refer to a dermatologist for confirmation. In many children, the hair regrows within 6 to 12 months without treatment.
Toddlers with alopecia areata may have one or multiple patches. Treatment options exist but are often not recommended in very young children because spontaneous regrowth is common. Topical steroids may be tried for persistent patches. Emotional support and reassurance are important, as the condition can be distressing for parents.
What Should You Do?
When to take action
- There is no truly "normal" presentation of alopecia areata, but it is a benign condition that often resolves on its own in children
- A smooth, round bald patch appears on your baby's scalp
- You notice eyebrow or eyelash thinning along with scalp hair loss
- You want to discuss whether treatment is appropriate
- Sudden, widespread hair loss all over the scalp
- Hair loss accompanied by skin changes, fatigue, weight loss, or other concerning symptoms that could suggest an underlying condition
Sources
Related Resources
Trust your instincts. If something feels wrong, reach out to your pediatrician.
Worrying about your baby means you care. That is a good thing.
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Patchy Hair Loss in Baby
Patchy hair loss in babies is usually caused by friction from lying on the back (positional alopecia), a very common and harmless condition. Other causes include alopecia areata, scalp ringworm, or cradle cap. Positional hair loss fills in naturally as the baby spends more time sitting up.
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