Snapshot A 43-year-old woman presents to the emergency room for fevers and a chronic cough. She has a history of HIV infection and has been using antiretrovirals intermittently. She recently lost her job and has been spacing out her medications in hopes of making it last. She is also currently homeless and relies on homeless shelters around the city. She reports that she has been having low-grade fevers, night sweats, and cough. A chest radiograph shows a cavity in the apex of the right upper lobe and hilar adenopathy. She is started on multi-drug anti-tuberculosis therapy, including rifabutin. (Tuberculosis) Introduction Drugs login to view 8 more bullets Mechanism of action login to view 2 more bullets Mechanism of resistance login to view 1 more bullet Clinical use login to view 14 more bullets Adverse effects login to view 4 more bullets