A 30-year-old member asked:

What can happen if you accidentally swallow a hydrogen peroxide teeth whitening pre-rinse product while gargling?

3 doctor answers5 doctors weighed in
Dr. James Ferguson
Pediatrics 48 years experience
My burn some: Hydrogen peroxide will actually convert to water after it released its oxygen.The teeth whitening products will burn a bit going down if you swallow some but other than transiently irritating the tissue should cause no long term problem.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Kenny Abedini
25 years experience
No problem: There is no harm if you swallow a small amount. If you have a little sensitivity, drink some water to dilute it.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Jeffrey Goldstein
Cosmetic Dentistry 35 years experience
Nothing.: Assuming you don't swallow a large amount (which is called "drinking it" you shouldn't suffer any ill effect. You body makes its own hydrogen peroxide in certain white blood cells!
Created for people with ongoing healthcare needs but benefits everyone.

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Last updated Aug 12, 2019

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