Drug-resistant TB is a serious public health issue in many developing countries, as its treatment is longer and requires more expensive drugs.
=== Nov pojav bolezni ===Ob novem pojavu pljučne TB od 2010 dalje priporočajo terapijo, ki traja šest mesecev, s kombinacijo antibiotikov, ki vsebujejo rifampicin, isoniazid, pirazinamid in etambutol prva dva meseca, zadnje štiri pa samo rifampicin in isoniazid.