Tuberculosis (TB) is a contagious disease that can be very serious if not treated. TB can stay dormant in your body for decades, but it’s contagious only when you have active symptoms. Tuberculosis ...
A chest X-ray can usually detect active tuberculosis (TB) but not latent TB. In either case, you’ll need a sputum test to confirm a diagnosis. Doctors often use chest X-rays to help diagnose active ...