I'm currently being treated for cavitary MAC with the big three antibiotics. Even though there was only one positive sputum test, because of a cavitary lesion and the severity of my symptoms, primarily extreme productive coughing, my doctors thought it was a good idea to start treatment right away. The fact that the cavity's walls had thickened since my last CT in 2022 was another factor. My ID doc wants to add arikayce to the regimen, but we are running into insurance problems. Best of luck to all members.