i too had some problem with thrush during my chemo and to begin with i took diflucan which helped. i stopped the diflucan and i then started using a mixture of 1 tsp. of salt and 1 tsp. of baking soda. you mix the two together in a quart of water and rinse your mouth at least 4 times a day. especially after eating. also brush your teeth after each eating. it worked quite well. good luck.