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Symptom Checker

Blisters in Children

A blister is a pocket of fluid that forms between layers of skin. It may be clear, bloody or filled with other fluid depending on the cause.

Friction, burns, pressure, allergic reactions, infections and some skin conditions can cause blisters. The location and type of blister often depend on what damaged or irritated the skin.

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AAP Guide to Blisters in Children

The AAP guide below explains blister care, when you can care for one at home, and when to bring your child in.

AAP Symptom CheckerBlisters

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When to see a doctor

Contact your pediatrician or another healthcare professional if:

  • A blister came from a burn or another significant injury.
  • Your child develops a group of blisters without a clear cause.
  • The skin becomes increasingly red, painful or drains pus.
  • A blister on the hand, foot or another area prevents normal activity.

Call 911 or get emergency care if:

  • Your child has a severe burn, widespread blistering with serious illness or another life-threatening emergency.

Talk to a nurse now, at any hour

When can my child be seen

Be seen today.

Every office keeps same-day appointments for illness and injury.

This evening or at the weekend.

Most offices run After Hours Care, by appointment rather than walk-in.

If you are worried, call. We would rather answer a question that turns out to be nothing.

More on skin and rashes

See the rest of this group and all 164 symptoms