Urine routine urinary occult blood (±) suggests a weak positive, can be seen in physiological factors such as specimen contamination, etc., generally not serious, can also be seen in the urinary tract infections, kidney disease, etc., usually relatively serious, need to clarify the cause of the disease and actively treat the primary pathology, such as the use of antibiotics.
1. Physiological factors: some normal people can also appear urinary occult blood (±), such as female physiological period, the collection of urine specimens are easily contaminated, can also make urinary occult blood (±), avoid the examination after menstruation can be.
2. Pathologic factors:
(1) urinary tract infections: such as urethritis, cystitis, etc., due to inflammation stimulation of the urethra, causing urethral edema may appear urinary occult blood (±), generally active treatment may be restored, otherwise it may lead to systemic infection, the condition is relatively serious.
(2) renal disease: such as membranous nephropathy, IgA nephropathy, etc. can also be urinary occult blood (±), need to actively treat the primary pathology, otherwise renal function may rapidly progress to uremia, the condition is relatively serious.
Urine routine urinary occult blood (±) can also be seen in other reasons, it is recommended that patients timely to the regular hospital, improve the relevant examination, clear reasons, follow the doctor’s instructions standardized treatment.