You might want to try putting some tea tree oil on a cotton swab and applying it to the canker sores. It is rather bad tasting, but it works!
Sara < kryad%40yahoo.com">kryad
yahoo.com> wrote: My boyfriend gets huge, incredibly painful canker sores, and he has no
idea what causes them. Does anyone have any suggestions for
treatments or possible supplements to help prevent them? It doesn't
seem like medical science has any clue what causes them in the first
place.
Thanks!
.