Non-pulmonary tuberculosis is not infectious and is usually not easily discovered. However, it may cause considerable damage to the body. For example, bone tuberculosis can result in bone softening, degeneration, or deformation.
肺外結核無傳染之虞，通常不易察覺，但對人體造成的傷害不小，以骨結核為例，會造成骨頭軟化、衰退或變形。