<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been feeling very tired lately, even when I havent done anything. I also feel very cold all the time, and Ive been experiencing some symptoms in the kidney area. What could be the problem?  <response>: Based on your symptoms, its possible that you have chronic kidney disease. Well need to run some tests to confirm, but these are common symptoms of the disease. Its important to catch it early and start treatment as soon as possible to prevent any further damage to your kidneys. 