Despite their small size, lithium button batteries can cause serious injury and death in children if swallowed. This video from the Poison Control Center at Children’s Hospital of Philadelphia explains how button battery ingestion injures children, symptoms to look out for, and what to do if you think your child may have swallowed a battery.

If you think your child may have swallowed a button battery, call the Poison Control Center at 1-800-222-1222 immediately.