symptoms for tuberculosis infection

Symptoms of TB Disease
Symptoms of tuberculosis infection depend on where in the body the TB bacteria are growing. TB disease symptoms may include:
A bad cough that lasts 3 weeks or longer
Pain in the chest
Coughing up blood or sputum (phlegm from deep inside the lungs)
Weakness or fatigue
Weight loss
No appetite
Sweating at night

Although your body may harbor the bacteria that cause tuberculosis, your immune system usually can prevent you from becoming sick. For this reason, doctors make a distinction between:

symptoms for tuberculosis infection

Latent TB. In this condition, you have a TB infection, but the bacteria remain in your body in an inactive state and cause no symptoms. Latent TB, also called inactive TB or TB infection, isn’t contagious. However, it can turn into active TB, so treatment is important for the person with latent TB and to help control the spread of TB in general. An estimated one-third of the world’s population has latent TB.
Active TB. This condition makes you sick and can spread to others. It can occur in the first few weeks after infection with the TB bacteria, or it might occur years later.
If you have latent tuberculosis (TB), you do not have symptoms and cannot spread the disease to others. If you have active TB, you do have symptoms and can spread the disease to others. Which specific symptoms you have will depend on whether your TB infection is in your lungs (the most common site) or in another part symptoms for tuberculosis infection of your body (extrapulmonary TB).


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