do the borax and stop the Iodine temporarily. fungus can find its way around iodine. also, Iodine keeps bacteria counts down, bacteria which also compete with and keep fungus in check.
diagnosis - dysbiosis. the Iodine docs mention not seeing much of this but they use fairly low dosage. the higher the dosage, the greater the incidence of this occurring, or i should say the more likely it is to occur.
some kefir and aloe would help, be good probiotics and prebiotics respectively.