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A member asked:
I think some listerine went back into through nose while mouth washing. is this dangerous? should i be worried?
5 doctors weighed in across 2 answers
No: It doesn't sound like anything serious. Happy rinsing.
Answered 6/10/2017
1.7k views
Thank
No worries: Swallowing small amount of listerine won't hurt you.
Answered 1/25/2016
1.7k views
Thank
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