Tuberculosis (TB) is an infection caused by bacteria. It usually affects the lungs. Symptoms may include fever, extreme fatigue, weight loss, night sweats, and a cough that brings up thick, bloody mucus.
TB can be deadly if it isn't treated.
Current as of: June 9, 2019
Author: Healthwise Staff
Medical Review:E. Gregory Thompson, MD - Internal Medicine & Adam Husney, MD - Family Medicine & R. Steven Tharratt, MD, FACP, FCCP - Pulmonology, Critical Care Medicine