My son Ryan is 8 years old. His last day of school, June 18, he came home shaky and not feeling well. He was acting so strange I took him to the doctor and they drew blood to test blood sugar, gluclose levels and a bunch of other tests, which all came back normal. He was like that for that whole weekend but recovered on Sunday and was back to normal for about two weeks. On 4th of July weekend, it happened again. He was tired, weak, shaky, his legs hurt and he had no appetite, he would not eat. We took him back to the doctor on Monday where they drew blood and ran another round of tests. The blood work showed a trace of strep antibodies and slightly elevated levels of creatinine (BUN was 29 and serum was .96) and they suggested we see a Nephrologist, which we are this week. In the meantime, he is still struggling with the weakness and loss of appetite but some days he is great and feeling like his old self. He complains that he feels full but is hungry, he eats and feels sick; it doesn't make sense. Does this sound like the elevated creatinine level or something else we should test for? Any suggestion is appreciated, I'm going out of my mind with worry.