It is brainstem..: It is a brain stem response which causes visceral reaction, in this case vomiting. Not an uncommon phenomena and not abnormal!
Answered 3/24/2013
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
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