@espiritu56 Did you lose pulmonary capacity? When I had pneumonitis, I was prescribed Prednisone starting at 40mg and decreasing by 10mg every two weeks. It solved the pneumonitis issue right away. I tested again(near the end of prednisone), and my pulmonary function test values were a little bit better. Three months later I went back for follow up and pulmonary function test values had dropped significantly, and I was prescribed permanent oxygen