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 of your body ( extrapulmonary tb ). there are other conditions with symptoms similar to tb such as pneumonia or lung cancer. symptoms of active tb in the lungs symptoms of active tb in the lungs begin gradually and develop over a period of weeks or months. you may have one or two mild symptoms and not even know that you have the disease. common symptoms include: a cough with thick cloudy and sometimes bloody mucus from the lungs ( sputum ) for more than 2 weeks. fever chills and night sweats. fatigue and weakness. loss of appetite and unexplained weight loss. shortness of breath and chest pain. symptoms of an active tb infection outside the lungs symptoms of tb outside the lungs ( extrapulmonary tb ) vary widely depending on which area of the body is infected. for example back pain can be a symptom of tb in the spine or your neck may get swollen when lymph nodes in the neck are infected. webmd medical reference from healthwise this information is not intended to replace the advice of a doctor. healthwise disclaims any liability for the decisions you make based on this information. © 1995-2011 healthwise incorporated. healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated.
what are the symptoms of tuberculosis tb?