Facebook Twitter LinkedIn Syndicate. Testing for Tuberculosis TB. Minus Related Pages. How does the TST work? What does a positive TST result mean? Additional tests are needed to determine if the person has latent TB infection or TB disease. A health care worker will then provide treatment as needed. Who can receive a TST? How often can a TST be given? What does a positive IGRA result mean? Who can receive an IGRA? There is no problem with repeated IGRAs. To receive email updates about this page, enter your email address: Email Address.
What's this? Links with this icon indicate that you are leaving the CDC website. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. This can help determine the difference between active TB disease and latent TB infection.
Your doctor will look for white spots that indicate areas where your immune system is responding to bacteria. There may be other changes in your lungs caused by TB disease. Your doctor may decide to use a CT scan instead of or as a follow-up to a chest X-ray because a CT scan provides images of much greater detail.
If the images indicate TB is present, your doctor may also order tests on your sputum. Sputum is the mucus produced when you cough. A lab test can identify the type of TB bacteria causing the infection. This helps doctors decide which medication to prescribe. Tuberculosis TB , a highly infectious disease, primarily affects the lungs.
Learn more about risk factors, symptoms, prevention, and treatment. Tuberculosis TB is a serious infection. Pulmonary tuberculosis TB is a contagious, infectious disease that attacks your lungs. People with the germ have a 10 percent lifetime risk of…. Meningeal tuberculosis occurs when tuberculosis travels through the bloodstream to the membranes surrounding the brain and spinal cord, called the….
Airborne diseases spread easily and are difficult to prevent. Learn more about the types of airborne diseases and how to protect yourself. Some parents have adopted alternative vaccination schedules, but experts say this can pose serious consequences for their children's health.
There are many types of tuberculosis, categorized by the areas of the body that are affected. Learn about some of the most common types as well as…. Tuberculosis is a highly contagious infection. Seek immediate help if you think you've been exposed. A doctor can do a simple test to determine if you…. Mycobacterium tuberculosis is a bacterium that causes tuberculosis TB in humans. When inhaled, the bacterium can settle in the lungs, where it…. If there is a bump, it will go away in a few weeks.
The test is "negative" if there is no bump or only a very small bump at the spot where the fluid was injected. A negative TB skin test usually means that you don't have TB. The test is "positive" if there is a bump of a certain size where the fluid was injected.
This means you probably have TB germs in your body. Most people with a positive TB skin test have latent TB infection. To be sure, your doctor will examine you and give you a chest x-ray. You may need other tests to see if you have active TB disease. The TB Tuberculosis Skin Test Mantoux This fact sheet gives information about how the skin test is given and read, and what the results mean.
What is latent TB infection? This phase can last for a very long time — even many years. TB germs are active and spreading. They are damaging tissue in your body. Your chest x-ray is usually normal. You usually feel sick.
Your doctor will do special tests to find where TB is harming your body.
0コメント