Is it serious if the urine occult blood test is positive during the physical examination

Whether the positive result of urine occult blood in physical examination is severe needs to be judged based on the specific cause. Most cases are related to minor damage or inflammation of the urinary system, and a few may indicate serious diseases. Positive occult blood in urine is commonly seen in non serious diseases such as urinary system stones and urinary tract infections. Urinary system stones may cause slight mucosal damage due to stone movement, manifested as painless hematuria, usually promoted by drinking plenty of water, oral administration of stone expelling particles or potassium sodium citrate particles. Urinary tract infections such as cystitis may be accompanied by frequent urination, urgency, and elevated white blood cells in urine routine. Cefoxime dispersible tablets or phosphomycin tromethamine powder can be used as prescribed to treat infections. After intense exercise, transient occult blood positivity may also occur due to transient kidney ischemia, which can often recover on its own after rest.

If the urine occult blood continues to be positive, accompanied by weight loss, waist mass and other symptoms, it is necessary to be alert to the possibility of urinary system tumors, such as bladder cancer, which needs to further improve cystoscopy or CT examination. Hereditary kidney disease, such as Alport syndrome, may also present with asymptomatic hematuria as the initial manifestation, and pediatric or adolescent patients need to be screened for family history. When immune diseases such as systemic lupus erythematosus involve the kidneys, proteinuria and edema are often present in addition to hematuria, and the pathological type needs to be determined through renal biopsy.

If urine occult blood is found to be positive, excessive panic should be avoided. It is recommended to recheck urine routine and complete urinary system ultrasound and other examinations. Maintain a daily water intake of at least 2000 milliliters, reduce intake of high oxalate foods, and avoid prolonged urinary retention. If accompanied by fever, lower back pain, or worsening hematuria, it is necessary to seek medical attention promptly at the nephrology or urology department.