What kind of medicine to take for kidney injury needs to be reasonably used according to its cause. If kidney injury is caused by nephritis, oral antihypertensive drugs, hormones and immunosuppressants such as captopril, prednisone, cyclophosphamide, etc.; if kidney injury is caused by urinary tract infection, oral antibiotics such as levofloxacin, etc.; if kidney injury is caused by traumatic injury, painkillers and antiemetic drugs such as Tramadol and Vitamin K1, etc., may be needed. 1. Nephritis: Kidney injury caused by nephritis, need to actively treat the primary disease. At the same time, ACEI or ARB drugs such as captopril and irbesartan can be applied to lower blood pressure and reduce urinary protein, and glucocorticoids and cytotoxic drugs such as prednisone and cyclophosphamide can also be applied. 2. Urinary tract infection: urinary tract infection leads to kidney injury, need active anti-infection treatment, can apply quinolones, cephalosporins and other antibiotics such as levofloxacin, cefuroxime and so on. 3. Trauma: trauma causing kidney injury, early application of cefuroxime, cefepime and other antibiotics to prevent infection. At the same time, for patients with unbearable pain, painkillers such as Tramadol can be applied to effectively relieve the pain symptoms of patients. If the patient is accompanied by a large amount of bleeding, which can cause hemorrhagic shock, etc., it is also necessary to apply antiemetic drugs, such as vitamin K1 and so on. All of the above medications should be used under the guidance of a doctor, avoid self-medication. Patients with kidney injury are advised to go to regular hospitals in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy under the guidance of the doctor.