Reply To: Canker Sore

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You can use Peroxyl -this has hydrogen peroxide in it, that the other posters mentioned, in a pleasant taste. You can swish with this a few times a day. You can also use Listerine. My advice with the Listerine is -instead of swishing with the whole thing (because it burns), put some on a Q-tip and dab the sore every couple of hours.