Two days ago I went for a run, got incredibly lightheaded and started having a tad bit of anxiety, stopped running, sat down for a minute, got back up and started walking and then it started all over. Called someone to come pick me up and continued to feel lightheaded for the rest of the evening. The next day I noticed my lymph nodes in my neck (just on my right side) were a tad sore but not painful to swallow. I continued to get random bouts of lightheadedness and anxiety. Also, major cottonmouth. I drink a minimum of half a gallon of water a day and eat almost a paleo diet (still allow beans and Greek yogurt). When checking myself into an urgent care clinic last night, they did quick checks and said "oh it must be vertigo" sent me with meclizine and away I went. I finally took an allergy pill today around noon, and the meclizine around 5 and still do not feel an ounce different. Possibly even more out of it. Any one have any ideas? Fun fact, I also just moved from Seattle WA to Austin TX two months ago. Perhaps climate change? Any answers or directions could be helpful!