Tuberculosis (TB)

Definition

Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis bacteria primarily affecting the lungs but can also affect other parts of the body. It spreads through the air when an infected person coughs or sneezes, leading to symptoms like persistent cough, chest pain, weight loss, and fatigue.

Related terms

Pneumonia: An infection that inflames the air sacs in one or both lungs caused by bacteria, viruses, or fungi.

Influenza (Flu): A highly contagious viral respiratory illness causing fever, body aches, sore throat, and congestion.

Bronchitis: An inflammation of the bronchial tubes usually caused by viral infections resulting in persistent coughing and mucus production.