Elderly people with blood in urine are considered to be related to cystitis, prostatitis, bladder tumor and other diseases, and can be injected with isopamicin sulfate injection, levofloxacin injection, gemcitabine injection and other medicines under the guidance of doctors. 1. Cystitis: It is generally due to the bladder inflammatory mediators stimulate the bladder mucosa, leading to mucosal bleeding, which in turn causes the phenomenon of blood in urine in the elderly. Cystitis may also cause frequent urination, urinary urgency, painful urination and other symptoms, which can be treated with drugs such as isopamicin sulfate injection under the guidance of a doctor. 2. Prostatitis: prostatitis usually occurs frequent urination, urinary urgency, abnormal urination and other symptoms, there may also be fever, perineal discomfort, etc., can be prescribed by the doctor using injections of levofloxacin injection, tamsulosin and other drugs to treat. 3. Bladder tumor: it is usually due to bladder tumor invading the mucous membrane layer, leading to the rupture of bladder blood vessels, causing the phenomenon of blood in urine. Bladder tumor can be treated by injection of gemcitabine injection and other drugs as prescribed by doctor. All the above drugs need to pay attention to the side effects and adverse reactions of the drugs, please use the above drugs under the guidance of a doctor. There are very many reasons for the elderly to have blood in urine, for example, it may also be bladder stones, prostate cancer, abnormal coagulation function, urethra injury, etc. The treatment plan is also completely different, and it also does not only need injection treatment, but also combined with surgery, radiotherapy and other kinds of treatment options. If an elderly person has blood in the urine, please go to the hospital in time for further examination to clarify the cause of the disease, and then treat and deal with it in time.