Symptoms of Tuberculosis

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Symptoms of pulmonary TB include fever, fatigue, loss of appetite and weight, night sweats and persistent cough. Phlegm coughed up may be streaked with blood. Tuberculous pleurisy (affecting the membranes around the lungs) leads to an accumulation of fluid in the pleural cavity (the normally very small space between the membranes) and partial collapse of the lung.

Rarely, the TB in the lung erodes an artery, causing dangerous bleeding into the lung. TB may then spread widely throughout the body via the bloodstream (called miliary tuberculosis). Meningitis is another dangerous complication.