Can tuberculosis be detected by blood test?

Tuberculosis blood test generally can not be detected, but blood test can be used as one of the methods of auxiliary diagnosis of tuberculosis. Tuberculosis blood test generally can not be detected, but blood test can be used as one of the methods of auxiliary diagnosis of tuberculosis. Tuberculosis is an infectious disease of the lungs caused by Mycobacterium tuberculosis. The diagnosis of tuberculosis requires a combination of clinical symptoms, chest imaging examination, tuberculosis examination and other methods. The following is a specific analysis of tuberculosis blood test: 1. Tuberculosis blood test items: blood routine: can understand the number of white blood cells, red blood cells, platelets, etc., to determine whether there is anemia, infection, etc. ESR: accelerated may indicate inflammation or tuberculosis activity. C-reactive protein: elevated C-reactive protein indicates inflammation in the body. TB antibody: positive TB antibody test helps diagnose tuberculosis, but it is not the gold standard for diagnosis. Other: liver and kidney function, blood sugar, etc. to assess the overall health status of the patient. 2. Blood test in the diagnosis of tuberculosis: Auxiliary diagnosis: Abnormal blood test results may indicate the presence of tuberculosis, but blood tests alone cannot be relied upon to confirm the diagnosis. Assessment: Blood tests can help to understand the general health of the patient and changes in the disease during treatment. Differential diagnosis: Blood tests can help rule out other diseases that may cause similar symptoms. Such as X-ray, CT, etc., can find tuberculosis lesions in the lungs. Tuberculosis examination: including sputum smear, tuberculosis culture, tuberculosis nucleic acid detection, etc., is the main method of diagnosis of tuberculosis. Pathological examination: through the pathological examination of lung tissue, can make clear the diagnosis of tuberculosis. It should be noted that each person's condition is different, diagnosis needs to consider a variety of factors. If tuberculosis is suspected, seek medical attention in time. The doctor will choose the appropriate examination method according to the specific situation and make a comprehensive judgment based on clinical symptoms. For special groups, such as children, the elderly, and people with low immune function, the diagnosis of tuberculosis may be more complicated. These populations may require more detailed tests, such as tuberculin tests and gamma interferon release tests, to improve diagnostic accuracy. In addition, TB treatment should be conducted under the guidance of a doctor, including the use of anti-TB drugs. During treatment, medication should be prescribed regularly and reviewed regularly to ensure treatment effectiveness and prevent the development of drug resistance. In summary, TB blood tests can provide some information, but they cannot be relied on alone to make a diagnosis. An accurate diagnosis can be made by combining multiple tests and clinical symptoms. If there are doubts about TB, seek medical attention promptly so that timely diagnosis and treatment can be obtained.