NASAL FOREIGN BODY - BATTERY CELL All nasal foreign bodies can be life threatening as can slip in wind pipe. Battery Cell is most dangerous as it erodes nearby tissues very rapidly. Watch your child. Dont keep small items near him which he can insert. Educate your child that nothing should be inserted in nose. ear etc. Visit Specialist earliest if it happens. Dont try to manipulte. It can slip back & complicate the process of removal.