Creatinine 120μmol/L can be seen in physiological conditions such as strenuous exercise, eat a lot of meat food, etc., generally do not need to take oral medication, pay attention to rest, eat a light diet, regular review can be. Pathological conditions can be seen in acute and chronic renal failure, acute renal failure generally do not need oral urethane; chronic renal failure can take two packets of urethane every day. Creatinine 120μmol/L can be seen in physiological conditions, acute renal failure, etc., of which the common causes of acute renal failure are hemorrhage, serious infections, urinary tract obstruction and so on. In this case, there is no need to take oral urethane, and most of creatinine can return to normal after active treatment to eliminate the causative factors. If the elevated creatinine is caused by chronic renal failure, you can take two packets of urethane every day, and can gradually increase or decrease the dose according to the condition. The drug is taken after the stool is paste-like is normal performance, if the performance of watery stool, then the dose should be reduced. Adverse reactions and contraindications are not known. Patients with elevated creatinine are advised to go to regular hospitals in time and standardize the use of drugs under the guidance of doctors.