How to Diagnose Tuberculosis if Tuberculosis Bacteria Cannot Be Detected
Tuberculosis (TB) is a bacterial infection that usually affects the lungs. It can also affect other parts of the body, such as the brain, kidneys, or spine. TB is spread through the air when an infected person coughs or sneezes.
The most common way to diagnose TB is to find the TB bacteria in a person's sputum (phlegm). However, this can be difficult to do if the person has a low level of bacteria in their sputum. In these cases, other tests may be needed to diagnose TB.
How to Diagnose Tuberculosis if Tuberculosis Bacteria Cannot Be Detected
If the TB bacteria cannot be detected in a person's sputum, there are a number of other tests that can be used to diagnose TB. These tests include:
Chest X-ray: A chest X-ray can show if there are any abnormalities in the lungs that could be caused by TB.
Sputum culture: A sputum culture is a test that grows the TB bacteria in a laboratory. This test can take several weeks to complete.
Blood test: A blood test can detect antibodies that the body produces in response to TB infection.
Skin test: A skin test is a test that involves injecting a small amount of TB bacteria into the skin. If the person is infected with TB, a raised bump will appear at the injection site.
How to Diagnose Tuberculosis if Tuberculosis Bacteria Cannot Be Detected
If all of the above tests are negative, the person may still have TB. In these cases, the doctor may recommend a biopsy. A biopsy is a procedure in which a small sample of tissue is removed from the lungs and examined under a microscope. A biopsy can confirm the diagnosis of TB.
How to Diagnose Tuberculosis if Tuberculosis Bacteria Cannot Be Detected
Diagnosing TB can be difficult if the TB bacteria cannot be detected in a person's sputum. However, there are a number of other tests that can be used to diagnose TB. These tests include chest X-ray, sputum culture, blood test, skin test, and biopsy.
How to Diagnose Tuberculosis if Tuberculosis Bacteria Cannot Be Detected
If you have any symptoms of TB, it is important to see your doctor right away. Early diagnosis and treatment of TB can help prevent serious complications.
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