Tuberculosis Diagnosis

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Doctor's View on Tuberculosis Diagnosis

Comment by Charles Patrick Davis, MD, PhD

Tuberculosis (TB) is an infectious disease caused by bacteria named Mycobacterium tuberculosis. It is spread from person to person in tiny droplets during activities such as coughing, sneezing, or speaking. The disease usually infects the lungs, but the bacteria can attack any area of your body. Symptoms include a bad cough for about a month or more, chest discomfort or pain, and coughing up blood; other symptoms may include sweating at night, weight loss, fever, chills, and no appetite. Children under 15 years of age are more likely to develop life-threatening TB. People with latent TB have no symptoms and are not considered infectious.

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