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A member asked:
Why might someone involuntarily gag when they touch their external ear canal?
A doctor has provided 1 answer
Normal: This is a normal reflex that may cause a person to cough when the inside of their ear canal is touched. There is a nerve called Jacob's nerve that is a nerve of sensation to both the ear canal and base of tongue/throat - the referred sensation is strong enough to create a cough reflex.
Answered 2/19/2015
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