Hi, Rett,

My husband had thrush early in his treatment and that seems to make the mouth sores much worse. He has gotten thrush a few times post-treatment and the first sign (before it's really visible) is that he begins to have mouth pain when eating or swallowing. He did not have thrust post-treatment until he got a temporary bridge and it seems that any mouth appliances make it much more common. Also, I recall a number of people on this board mentioning that they had mouth sores pretty quickly.