How to detect kidney disease at an early stage Kidney disease often has mild symptoms in the early stage and can be easily overlooked. Once the following symptoms are detected, you should seek early medical attention: ① increased frequency of urination, urinary urgency and painful urination; ② blood in the urine; ③ increased urine foam; ④ edema of the eyelids and lower limbs; ⑤ pain in the lower back and abdomen without trauma; ⑥ hypertension; ⑦ unexplained anemia; ⑧ loss of appetite, even nausea and vomiting, while the gastrointestinal function is normal; ⑨ Increased nocturia. Prevention of chronic kidney disease For people without kidney disease, to prevent the occurrence of kidney disease, usually in the diet, advocate light, low salt, balanced, to drink more water, quit smoking and drink alcohol in moderation. Participate in more exercise and control your weight. Avoid drug abuse, many western and Chinese medicines may cause kidney damage, such as antibacterial drugs, non-steroidal anti-inflammatory analgesics, tumor chemotherapy drugs, various types of angiographic agents, herbal medicines containing aristolochic acid, etc. Another thing is that it is better to have a relevant examination once a year, such as urine routine, kidney function, kidney ultrasound, etc. For high-risk groups, i.e. those who suffer from diseases that may cause kidney damage (e.g. hypertension, diabetes) should be treated promptly and effectively to prevent the occurrence of chronic kidney disease. In addition, attention should be paid to actively control risk factors (hypertension, diabetes, hyperuric acid, hyperlipidemia, obesity), adhere to drug therapy under the guidance of a specialist; adhere to a reasonable diet (low salt, low sugar, low fat, low purine); regularly monitor changes in blood pressure, blood sugar, blood lipids, blood uric acid, urinary routine and other indicators.