Hi @natalee_43 - It must have been really scary to get those results. I'm wondering if you may find others with more similar experience in one of the groups. Here is a thread that might be useful. https://connect.mayoclinic.org/discussion/mycobacterium-avium-complex-pulmonary-disease-macmai/?pg=530#comment-296549 Meantime, are you seeing your primary care physician or a specialist? How long is your course of antibiotics?