2 doctors weighed in:

What happen if I swallowed oral anesthetic anbesol?

2 doctors weighed in
Dr. Karen Sibert
Anesthesiology
1 doctor agrees

In brief: Probably nothing

It isn't unusual to swallow or taste a little after you apply it to your gums for a canker sore or toothache.
But be careful--an overdose of the medication (benzocaine) in anbesol can lead to a dangerous condition called methemoglobinemia, which deprives your system of oxygen. Never use adult strength anbesol for children or babies. Follow the directions carefully and use only a little at a time.

In brief: Probably nothing

It isn't unusual to swallow or taste a little after you apply it to your gums for a canker sore or toothache.
But be careful--an overdose of the medication (benzocaine) in anbesol can lead to a dangerous condition called methemoglobinemia, which deprives your system of oxygen. Never use adult strength anbesol for children or babies. Follow the directions carefully and use only a little at a time.
Dr. Karen Sibert
Dr. Karen Sibert
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