Another option to the use of an antifungal is to take saccharomyces boulardii (wich is not killed by Antibiotics as it is a yeast) 6 billions/day.
In my country there is a pharmaceutical brand who sells it for various disseases including "candida treatment" and "candida overgrothw prevention when using Antibiotics ". Our FDA-alike aprobed it, so yes, it has scientifics studies that shows that it works.