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How are your bowel movements? Your body temperature? And look at your tongue and check if you can see think white, yellow, or greenish fur coating. If you see the fur, then it is more than likely the excess yeast (candida) is severe and has migrated upward through the the digestion/ingestion tract.
Have you tried the combination of coconut oil + oregano oil as anti-fungals to treat the candida overgrowth?? Apple cider vinegar is also helpful against excess yeast (candida), but I saw you are not allowed to eat vinegar.
Also, before your most recent flare up, while your candida was "dormant" did you then proceed to support the gut health with pre/probiotics, fermented foods, bone broth?? Without supporting the gut/intestines/healthy flora, you're going to see some skin issues and bowel troubles (hard kinds or loose kinds)...all of these on top of candida dominance.
I feel dropping grains is a good strategy, but....I would keep white rice, (or potato, sweet potato, plantains) just to slowly ween your system off excess carbs. But again, if candida is severe, I feel like all the grains and white rice or breads that you have consumed are just feeding the yeast and not your own cells which can lead to (aggravated) fatigue.
It may be more appropriate to increase fat and or protein intake (your regular cells are going to need calories for energy, let the yeast eat the white rice and your normal cells feed on the other macros). And also, if you are currently in a severe flare up, refrain from fruit just to see how you feel without them. Then, slowly re-introduce low glycemic load fruits (berries) if your body/digestion permits.
In the meantime, I would consider trying coconut/oregano oil, maybe even ACV if you haven't tried these things yet. If you have any questions, please don't hesitate to ask.