Fermented foods/allergies

Hi, I just started following the Body Ecology Diet. I also just received
My test results for food allergies . I'm wondering if I can eat foods that I'm
Allergic too if they are fermented? I just made some cultured veggies
And they have ginger in them and my test show I'm allergic to ginger.
I'm also allergic to dairy. Can I still have kefir?

Thanks so much!
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