I don't know what category to post this under because of my wide range of symptoms so I just picked one. I'm 15 and I was always active and enjoyed life, but suddenly I got really sick. First it was dizziness, shortness of breath, and feeling faint. A couple days later there was shaking, vomiting, and diarrehia. The doctors thought it was the flu, but my lymph nodes aren't swollen. They tested for anemia, lymes disease, blood clots, strep, ulcers, and mono.