Intended use of button batteries implicated in ingestions: 2014 to 2016
Intended use of ingested batteries (all battery types) Jul 2014 - Jun 2016

Intended use of ingested 20 mm button batteries (NBIH Data) Jul 2014 - Jun 2016

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Swallowed a battery?
Here are 3 ways to find out what to do:
National Battery Ingestion Hotline:
Your poison center:
Use webPOISONCONTROL
Don’t delay! Batteries stuck in the esophagus can be life-threatening or even lethal. Prompt removal may be required.