Well for most people, you should feel bad even with a low doseage such as one drop of a given antifungal (if a liquid). Keep in mind that the antifungals won’t cure your infestation by itself because they just kill yeast. The yeast is going to be able to survive this so this isn’t a sprint, but more of a marathon.
Here’s a post about it:
If you don’t have any die-off then your liver is either healthy and/or your don’t have a yeast problem.