The severity of urinary occult blood + depends on the situation, generally speaking belongs to a relatively mild degree, the main clinical attention to find the cause of urinary occult blood.
1. Non-disease factors
(1) False-positive: that is, there is no disease that can lead to positive urinary occult blood, but the test result is positive, and women’s menstrual blood mixed into the urine, strenuous exercise before the test, history of use of drugs such as quinine, urine specimens placed for too long to lead to the destruction of erythrocytes in the urine, etc., such a situation is not generally serious.
(2) Other factors: such as renal dialysis treatment, blood transfusion blood type incompatibility leading to hemolytic reaction, etc., can also lead to positive occult blood in urine, which is more serious.
2. Disease factors
(1) Urinary system diseases. Such as glomerulonephritis, cystitis, pyelonephritis, renal tuberculosis, kidney stones, renal cancer and other diseases.
(2) Bleeding disorders. Such as thrombocytopenia, hemophilia and so on.
(3) Intravascular hemolytic disease. Such as paroxysmal sleep hemoglobinuria, hemolytic anemia, serosanguineous disease and so on.
(4) Other diseases. Such as malignant malaria, severe burns and so on.
Urine occult blood + caused by the above disease factors is generally more serious.
As there are many reasons that can lead to positive urinary occult blood, it is recommended that patients with urinary occult blood+ consult the hospital in time to find out the cause and treat the symptoms under the guidance of the doctor.