Definition: "Antitubercular" means "non-tuberculous", referring to an infection that does not affect the lung, not even the throat. This term can describe a wide range of conditions including pneumonia, bronchitis, or infections in other organs, such as the liver and pancreas. Definition: Antitubercular refers to any condition where the body's immune system is unable to fight off bacterial infection effectively, and this state persists for an extended period without treatment. This could be due to a variety of reasons including genetic predisposition, poor immunity, or not getting treated properly during childhood or adolescence. Symptoms may include coughing, shortness of breath, fever, fatigue, and weight loss.