This post could answer some of your questions:
It also links to the safe cleanse within the posted link.
Per forum’s protocol, you are not supposed to start antifungals until you are done with the cleanse. Swedish Bitters are taken probably after a cleanse when you can eat a more decent meal. You will find everything you need to know on the link I provided.
Here is also an index of important posts in case you wish to read up on it: