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Tuberculosis: Causes and How It Spreads | Tuberculosis (TB) | CDC
Jan 17, 2025 · If you have inactive TB, treating it is the best way to prevent active TB disease. Without treatment, people with inactive TB can develop active TB disease. People with weakened immune systems are at very high risk of developing active TB disease once infected with TB germs. It is very important that these people receive treatment for inactive ...
About Tuberculosis | Tuberculosis (TB) | CDC - Centers for Disease ...
Jan 17, 2025 · Tuberculosis (TB) is caused by a bacterium (or germ) called Mycobacterium tuberculosis. In the United States, the majority of TB disease cases in people are caused by Mycobacterium tuberculosis. Other mycobacteria (such as Mycobacterium bovis) can also cause TB disease in people. TB usually affects the lungs.
Tuberculosis (TB) | Tuberculosis (TB) | CDC - Centers for Disease ...
The tuberculosis (TB) blood test and the TB skin test are the two types of tests for TB infection. Treatment Both inactive tuberculosis (TB) and active TB disease can be treated.
Clinical Overview of Tuberculosis Disease | Tuberculosis (TB) | CDC
Jan 31, 2025 · Drug-resistant TB disease is transmitted in the same way as drug-susceptible TB disease, and it is as infectious as drug-susceptible TB disease. However, delay in the recognition of drug resistance or prolonged periods of infectiousness may facilitate increased transmission and further development of drug resistance.
Clinical Overview of Tuberculosis | Tuberculosis (TB) | CDC
Jan 6, 2025 · Tuberculosis (TB) is an airborne disease caused by the bacterium Mycobacterium tuberculosis (M. tuberculosis). M. tuberculosis and seven very closely related mycobacterial species (M. bovis, M. africanum, M. microti, M. caprae, M. pinnipedii, M. canetti, and M. mungi) comprise what is known as the M. tuberculosis complex. Most—but not all ...
About Active Tuberculosis Disease | Tuberculosis (TB) | CDC
Oct 30, 2024 · Symptoms of active TB disease in other parts of the body depend on the area affected: TB disease of the lymph nodes may cause a firm red or purple swelling under the skin. TB disease of the kidney may cause blood in the urine. TB meningitis (TB disease of the brain) may cause headache or confusion. TB disease of the spine may cause back pain.
Diagnosing Tuberculosis | Tuberculosis (TB) | CDC - Centers for …
Most people with TB disease have TB disease of the lungs. Your health care provider may use a chest x-ray to look for signs of TB disease in your lungs. Laboratory tests. Your health care provider may collect samples from you. A common sample is a sputum (phlegm) specimen to test for TB of the lungs.
Treating Tuberculosis | Tuberculosis (TB) | CDC - Centers for …
Jan 31, 2025 · Both inactive tuberculosis (TB) (also called latent TB infection) and active TB disease can be treated. It is important to take and finish all TB medicines exactly as your health care provider recommends. Completing treatment for inactive TB and active TB disease can protect yourself, your family and friends, and your community.
Signs and Symptoms of Tuberculosis | Tuberculosis (TB) | CDC
Symptoms of active tuberculosis (TB) disease depend on where the TB germs are growing in the body. Common symptoms of active TB disease include cough, pain in the chest, and coughing up blood or sputum (phlegm). People with inactive TB, also called latent TB infection, do not have symptoms of TB disease and cannot spread TB to others.
About Bovine Tuberculosis in Humans | Tuberculosis (TB) | CDC
May 20, 2024 · Inactive TB or TB disease caused by M. bovis is treated similarly to inactive TB or TB disease caused by M. tuberculosis. In fact, health care providers might not know that a person's TB disease is caused by M. bovis instead of M. tuberculosis. M. bovis is usually resistant to pyrazinamide, one of the medicines used to treat active TB disease ...