Tuberculosis is a highly contagious bacterial infection caused by Mycobacterium tuberculosis that primarily affects the lungs but can impact other parts of the body. It is a major problem in developing countries. Symptoms include persistent cough, chest pain, fatigue, weight loss, and fever. TB is usually spread through close contact with an infected person and can be diagnosed through chest x-rays, sputum tests, and skin tests. Treatment involves a combination of antibiotics taken for several months, and adherence to the regimen is important to cure the infection and prevent drug resistance. Drug-resistant TB poses a challenge as it does not respond to standard antibiotics and requires more complex treatment. Preventing TB spread involves vaccination, treating latent infections,