I love drinking kombucha so much, but recently I've gotten the "drunk" feeling mentioned in awhile back. However, my "drunk" feeling is an allergy/sickly feeling- hot itchy, hivey face, raised heart rate, and dizziness (for a few hours). I have had no problems in the past drinking G.T.'s Synergy brand, but the past few bottles have made me a little sick. Does this mean I have to stop drinking it or that the batch I'm drinking from is tainted?