See <http://www.quackwatch.org/01QuackeryRelatedTopics/candida.html> :
... "Among other things, investigation by the State medical board
[N.J.] had concluded that "Candida albicans overgrowth" was not
generally recognized as a clinical entity and had not been established
as the cause of the conditions the doctors treated. " ...

Dr Stephen Barrett, M.D., who operates the website <www.quackwatch.org>
, says, "I believe that practitioners who diagnose nonexistent "yeast
problems" should have their licenses revoked. Some apply this diagnosis
to nearly every patient they see."

Some of the antifungal medicines used can cause hepatitis in some
people.