The symptoms of TB infection

Symptoms of tuberculosis grow depending The symptoms of TB infection on where in the body the TB bacteria. The symptoms of TB disease include:

    A cough that lasts 3 weeks or longer
    Chest pain
    Coughing up blood or sputum (phlegm from deep in the lungs)
    Weakness or fatigue
    Weight loss
    Lack of appetite
    chills
    fever
    Sweating at night

Although your body can contain bacteria that cause tuberculosis, your immune system can usually avoid getting sick. Therefore, doctors distinguish:

The symptoms of TB infection

    Latent tuberculosis. In this state, you have TB infection, but the bacteria remain in the body in an inactive state and cause no symptoms. Latent Tuberculosis, also called inactive TB infection or TB is not contagious. However, it can be in active TB, so treatment is important for the person with latent and help control the spread of tuberculosis in general TB. An estimated one third of the world population suffers from latent tuberculosis.
    Active tuberculosis. This condition makes you sick and can spread to other people. It may be during the first weeks after infection with the TB bacteria, or it may occur years later.

If you have latent tuberculosis (TB), you have no symptoms and can not transmit the disease to others. If you have active TB, you may not have symptoms, and spread of the disease to others. What determines the symptoms you have depends on whether you are infected with TB in the lungs (most common site) or other part of your body (extrapulmonary TB).

There are other conditions with similar symptoms, tuberculosis, such as pneumonia and lung cancer.

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