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If a person puts the battery up their nose and breathes it further in, the following symptoms may occur:
- Cough
- Breathing problems
- Possible complete respiratory failure
- Pneumonia (if the battery goes unnoticed)
A swallowed battery may cause no symptoms at all, but if it becomes stuck in the esophagus or stomach, the following symptoms may occur:
- Chest pain
- Abdominal pain
- Vomiting (possibly bloody)
- Hole in the esophagus
- Cardiovascular collapse
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