Likely benign: Some form of trigeminal irritation of a terminal nasal nerve branch which is hypersensitive for any number of reasons & activates the trigeminovascular system of the brainstem in the mildest of ways to produce what could be interpreted as a very subtle "knock on the door" of what under other scenarios could become a migraine headache. If you don't have headaches I'd just watch this for now.
Answered 12/21/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
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