A positive occult blood test includes a positive fecal occult blood test and a positive urine occult blood test. A positive fecal occult blood test is usually indicative of gastrointestinal bleeding; a positive urine occult blood test usually has a certain amount of red blood cells in the urine. However, a positive occult blood test does not confirm any disease and can be caused by exercise, diet and medication. So when you find yourself with a positive occult blood test, don’t be nervous, you should do all the tests to identify the cause of this phenomenon before you do anything about it. A, fecal occult blood test positive 1, disease factors: may lead to fecal occult blood test positive diseases are many, including inflammatory diseases of the digestive tract, ulcerative diseases, cancer of the digestive system and certain bleeding diseases, these lesions will cause part of the blood into the intestine, mixed with feces, detection can be manifested as fecal occult blood positive. When the fecal occult blood test is positive, you can undergo endoscopy, X-ray barium meal imaging, radionuclide scan and other related tests to check whether you have the disease and what kind of disease, and then develop a suitable treatment plan. 2, diet, drug factors: in a large number of animal blood, animal liver, spinach, vitamin C and iron-containing drugs, the occult blood test can appear false positive, this situation does not require special treatment. This situation does not require special treatment and can return to normal after stopping consumption. 2, urine occult blood test positive 1, disease factors: diseases that may lead to urine occult blood test mainly include glomerulonephritis, kidney, urethra and bladder inflammation, tumors, etc.. The first thing you need to do is to ask your doctor for an abdominal X-ray, intravenous pyelogram or ultrasound to check whether you are sick and what kind of disease you are suffering from, and then develop a suitable treatment plan. 2, non-disease factors: some healthy people will have a positive urine occult blood test after strenuous exercise, which is a normal physiological phenomenon, and after a period of rest, the urine test will return to normal. This is a normal physiological phenomenon, after a period of rest, the urine test can be restored to normal, if you are not sure, you can do some other related tests to check; in addition, if during the taking of certain antibiotics, the urine test can also appear positive occult blood test, after stopping the drug can gradually return to normal. In order to avoid incorrect test results, do not eat the above-mentioned foods or drugs that may cause a positive occult blood test result before the test, and do not engage in strenuous exercise to avoid misdiagnosis.