What Is Tuberculosis (TB)?
3. What Are the Symptoms?
Tuberculosis is most likely to grow and spread in the lungs. When the infection occurs, symptoms can appear within a few weeks of exposure, though it can also take years. The dominant signs are pain in the chest, a persistent cough that lasts longer than three weeks and expelling sputum or blood when coughing.
Several other symptoms are possible as well. An infected individual may experience unintended weight loss and low appetite, as well as fatigue and weakness. In addition, there is the potential for night sweats, fevers and chills. When TB occurs in areas other than the lungs, the symptoms depend on the location of the infection.
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