I got back on trail in South Lake Tahoe where we spent the fourth of July on the beach with a great group of other through hikers. We hit the trail a couple days later and I was feeling good. A physical therapist had given me a list of stretches to do, I had a roller ball and was on aleve around the clock. We did eight miles out of town I I felt like things were finally turning around. The aleve was helping tremendously and it felt great to be back on trail. The next day we did 18 miles and though my body wasn't used to it yet, overall I felt pretty good. That was until I woke up at midnight with terrible stomach pains. My mind raced, what if I have giardia? What if I'm having an allergic reaction to something? Maybe I ingested some deet? I had no idea. I jumped out of my tent and proceeded to lose all of the food I had eaten that day to the bushes. The next morning I felt better and we hit the trail. After hiking for a few hours the nausea came back. We made it 22 miles before setting up camp where others joined us and we had a campfire. I had to leave twice to throw up what was left of my dinner. I woke up nauseous the next morning and tried everything to get it to go away. Nothing worked. Thirteen miles down the trail we hit a road with donner ski lodge just off the the right. They had free beer for through hikers so of course we had to go. We filled up on food and were going to hike another few miles that day, until I got sick again. I then realized, maybe it's all the aleve I've been taking for my hip that is causing all this mess. So I stopped taking it and we headed down in to truckee for the night to wait it out. I felt better when I woke up the next morning but it was short lived. The nausea set back in as we headed back up to the trail. We hung around for a bit with some other hikers then hit the trail. Things went from bad to worse quickly at this point. My hip was killing me from not taking the aleve and I was still sick. Twenty minutes into the hike I puked in front of some mortified day hikers and then again an hour after that. My whole body felt weak, I finally broke down and cried. I had nothing left in me to keep going, I was miserable and clearly the aleve was not the culprit. I turned around and hiked back out. I need to figure out what this thing is before I can do anymore hiking, so as much as it pains me to say it, I'm off trail again. Not for long this time hopefully!