what is Tb disease suspect?
TB is a disease caused by Mycobacterium tuberculosis. TB disease should be suspected in persons who have the following symptoms: 1  Unexplained weight loss. 2  Loss of appetite. 3  Night sweats. 4  Fever. 5  Fatigue.linicians should ask about the patientâs history of TB exposure, infection, or disease. It is also important to consider demographic factors (e.g., country of origin, age, ethnic or racial group, occupation) that may increase the patientâs risk for exposure to TB or to drug-resistant TB.