Thrush is not contagious, and it is a fungus that lives with us all of us all the time. But it does bloom out of control when things get out of balance. I had terrible times with it right after radiation. Diflucan was a regular thing for me, and it always worked within a week to get rid of things.

http://oralcancerfoundation.org/dental/candida.htm

Brian, stage 4 oral cancer survivor. OCF Founder and Director. The first responsibility of a leader is to define reality. The last is to say thank you. In between, the leader is a servant.