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Spider Bites in Children

A spider bite happens when a spider’s fangs pierce the skin and inject venom or saliva. Many suspected spider bites are actually caused by other skin problems.

Most true spider bites cause mild local pain, redness or swelling. A few species, including black widow and brown recluse spiders, can cause more serious symptoms.

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AAP Guide to Spider Bites in Children

The AAP guide below explains common spider bites, first aid and which symptoms need medical attention.

AAP Symptom CheckerSpider bites

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When to see a doctor

Contact your pediatrician or another healthcare professional if:

  • Pain, redness or swelling keeps increasing.
  • The center of the bite becomes dark, blistered or ulcerated.
  • Your child develops fever, muscle cramps or significant abdominal pain.
  • You suspect a bite from a black widow, brown recluse or another medically important spider.

Call 911 or get emergency care if:

  • Your child has severe muscle symptoms, trouble breathing, collapse 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 bites and stings

See the rest of this group and all 164 symptoms