signs and symptoms of tb in adults :: Article Creator What To Know About Tuberculosis And Skin Rash Tuberculosis (TB) is a bacterial infection that usually affects the lungs but can spread to other parts of the body, including the skin. Once it reaches the skin, TB can cause a variety of lesions, most often on the legs, hands, or face. In the United States, TB is often caused by bacteria called Mycobacterium tuberculosis (M. Tuberculosis). However, different bacteria can cause TB in other countries. TB might be inactive and not cause symptoms, but if the bacteria multiply in the body, the symptoms can cause severe chest pain, a long-lasting cough that brings up blood and phlegm, and other symptoms of infection such as fever, chills, and appetite loss. However, TB can spread to other organs and systems, including the glands, brain, bones, and skin. This article explains the skin symptoms of tuberculosis. Doct...