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Risk of harm to babies and children from coin/button batteries in hearing aids and other hearing devices Posted on 14 Jun 2021

Babies and young children (under five years) can suffer serious injury if they ingest coin/button batteries or poke them into their nostrils or ears. While the larger lithium batteries have the greatest potential to cause harm, including death, the smaller zinc–air batteries, used in hearing aids, cochlear implants, bone-anchored hearing aids (BAHA) and similar equipment, still present a significant risk.

National Patient Safety Alert

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