Tuberculosis is one of India's biggest health issues. The bacterium that causes TB is called mycobacterium tuberculosis. A person can unknowingly acquire this bacteria and have it lie dormant within them, a condition known as inactive tuberculosis. Active tuberculosis begins when the bacteria starts developing, and the signs and symptoms begin to be visible.

Although the TB bacteria can infect any organ (e.g., kidney, lymph nodes, bones, joints) in the body, the disease commonly occurs in the lungs. Around 80% of all TB cases are related to pulmonary or lung. Common symptoms include: coughing (that lasts longer than 3 weeks with green, yellow, or bloody sputum), weight loss, fatigue, fever, night sweats, chills, chest pain, shortness of breath, and loss of appetite.


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