How to treat weakly positive occult blood in urine
Feb 27, 2023
Source: Cainiu Health
Dr. Zhao Xinju
Introduction
In general, a weakly positive occult blood in urine may be caused by factors such as urine contamination, trauma, acute upper respiratory tract infection, glomerulonephritis, or urinary tract stones. Patients can receive symptomatic treatment according to the specific underlying cause. If a weakly positive result for occult blood in urine occurs, it is recommended to visit a正规 hospital to determine the exact cause and receive appropriate treatment promptly to avoid delaying the condition.
Under normal circumstances, weakly positive occult blood in urine may be caused by factors such as urine contamination, trauma, acute upper respiratory tract infection, glomerulonephritis, or urinary tract stones. Patients can receive symptomatic treatment based on the specific underlying cause. The details are as follows:
1. Urine Contamination
During urine collection and analysis, if the sample is contaminated by external blood or other substances, hemoglobin or red blood cells may appear in the urine, leading to a weakly positive result for occult blood. In such cases, it is recommended to re-collect a clean urine sample for testing to rule out the influence of external contamination.
2. Trauma
Traumatic injuries, such as damage to the kidneys or urinary tract, may cause visible red blood cells in the urine, resulting in a weakly positive occult blood test. If there is a clear history of trauma or injury, the extent and impact should be further evaluated, and medical attention should be sought promptly.
3. Acute Upper Respiratory Tract Infection
The inflammatory response associated with an acute upper respiratory tract infection may affect the urinary system, causing red blood cells to appear in the urine and leading to a weakly positive occult blood result. In such cases, other symptoms of urinary tract inflammation, such as frequent urination and urgency, may also be present. Under a doctor's guidance, patients may use medications such as antiviral oral solution or Lianhua Qingwen capsules for treatment.
4. Glomerulonephritis
Glomerulonephritis is a kidney disease in which the glomeruli are damaged, allowing red blood cells to leak into the urine. This can lead to a weakly positive occult blood result. Glomerulonephritis is usually accompanied by other symptoms such as proteinuria, edema, and hypertension. Under a doctor's supervision, patients may be treated with medications such as furosemide tablets or spironolactone tablets.
5. Urinary Tract Stones
Urinary tract stones are hard deposits formed within the urinary tract that may scrape the urinary tract lining, causing bleeding and an increase in red blood cells in the urine, resulting in a weakly positive occult blood test. Urinary stones may also be accompanied by symptoms such as frequent urination, urgency, and pain in the lower back or flank. Patients should visit a正规 hospital where procedures such as extracorporeal shock wave lithotripsy can be used to remove the stones.
If weakly positive occult blood in urine is detected, it is recommended to visit a正规 hospital to determine the underlying cause and receive appropriate treatment to avoid delaying the condition.
