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Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, [7] is a contagious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. [1] Tuberculosis generally affects the lungs, but it can also affect other parts of the body. [1]
Meanwhile, "latent" means that someone has tuberculosis but doesn’t have symptoms and can’t spread it to others, explains Thomas Russo, MD, a professor and chief of infectious disease at the ...
Symptoms of M. tuberculosis include coughing that lasts for more than three weeks, hemoptysis, chest pain when breathing or coughing, weight loss, fatigue, fever, night sweats, chills, and loss of appetite. M. tuberculosis also has the potential of spreading to other parts of the body. This can cause blood in urine if the kidneys are affected ...
Once it infects a person, TB can take two forms. In “active” TB, the person has a long-standing cough and sometimes bloody phlegm, night sweats, fever, weight loss and swollen glands. In “latent” TB, the bacteria hibernates in the person’s lungs or elsewhere in the body. It does not cause symptoms and does not spread to others.
Latent tuberculosis (LTB), also called latent tuberculosis infection (LTBI) is when a person is infected with Mycobacterium tuberculosis, but does not have active tuberculosis (TB). Active tuberculosis can be contagious while latent tuberculosis is not, and it is therefore not possible to get TB from someone with latent tuberculosis.
It is not spread by kissing, shaking hands, sharing food and drink, or touching objects, the same source stated. TB symptoms can include coughing, chest pain, coughing up blood or mucus, ...
Until that point, though, patients can spread TB to others and it’s typically adults with reactivated TB that are the most infectious. As a result, patients are typically kept in negative pressure rooms and visitors are asked to wear protective N-95 masks that can’t filter out oil aerosols (N for “not resistant to oil”) but can filter ...
People with active TB disease are most likely to spread TB germs to people they spend time with every day, the CDC reported. TB usually affects the lungs, but it can also impact the brain, the ...