Urine occult blood 3+ is not nephritis

Urine occult blood 3 + is not necessarily nephritis, but may also be other diseases or physiological conditions. The following are some of the possible causes of urine occult blood 3 +: 1. Kidney diseases: glomerulonephritis, pyelonephritis, renal tuberculosis, kidney stones, kidney tumors, etc. 2. Non-kidney diseases: infections: cystitis, urethritis, prostatitis, etc. Stones: Such as ureteral stones, bladder stones, etc. Other: such as nutcracker syndrome, autoimmune diseases, blood system diseases, etc. 3. Physiological conditions: strenuous exercise: such as long-distance running, weightlifting, etc. Fever: female physiological period: drugs: such as sulfonamides, gentamicin, etc. Therefore, if urine occult blood 3 + is found, further examinations, such as urine routine, urine red blood cell morphology, renal function, urinary system ultrasound, etc., are needed to clarify the cause. At the same time, comprehensive judgment should be made in combination with the patient's clinical symptoms, signs and other examination results. For children, the elderly, pregnant women and people with underlying diseases, if urine occult blood 3 + occurs, it is necessary to seek medical attention in time to clarify the cause and targeted treatment. In addition, before examination and treatment, doctors should inform their own medical history and medication, so that doctors can make more accurate diagnosis and treatment plan.