It's just freaky that all your test results are coming out normal when you're having so many symptoms. But that might be a bigger sign than anything else that you're detoxing.
Keep seeing the medical professionals to see if they can help you or figure anything out but in the meantime, I would try and get as much toxins out of your system as possible. Anything and everything:
enemas
drink lots and lots of distilled water
frequent showers
bentonite clay
activated charcoal
maybe a magnesium flush