👉 Antituberculin is a medical term that refers to a substance or product used in the treatment of tuberculosis (TB). TB is a bacterial infection that affects the lungs and other organs, causing inflammation, pain, and often death. Antituberculin is a type of drug used to treat TB. It works by binding to and destroying bacteria on the surface of the cells in the body. Antituberculin can be administered orally or topically (in the form of cream)