For what it's worth, I got on CPAP specifically because
I had acute bronchitis 6 times in 9 months. Each time, a course of Z-pack nipped it in 24 hours and I began to heal. Then it would come back. Doc sent me for chest x-rays twice, and a CT scan. Both showed my lungs were clear, though I had developed chronic asthma. I received a referral to a pulmonologist. The new doc's third question was, "So have you ever had a sleep study?" Long story short, I got my machine 2 years ago and the results were dramatic. My symptoms immediately cleared up and I haven't been sick, not a cold, not the flu, not eventhe sniffles nor an allergy, nor a single episode of asthma in 2 years, despite having school age kids, and flying around on planes.
The foregoing isn't intended to say that our conditions are anything alike. However nobody here has ever made anything near a convincing case that CPAP actually caused or worsened their condition. And the few who tried, clearly had other issues, not related to their physical condition. There's something else going on that your doctor needs to investigate. Don't let your doc do what mine did to me. Press the point. There is an answer. Find it. Or get another doctor.
And I wonder whether your humidifier reservoir might have something growing in it. Or maybe the carpet or drapes. Mold can grow in carpeting and drapes. And Legionella and Pseudomonas can live in a humidifier tank.
B.C. (Before CPAP) AHI 73.4/hour; felt lousy, had recurring bronchitis and cough
A.C. (After CPAP) AHI 0.1 - 0.3/hour typical; feeling great. Cough and bronchitis immediately ceased!
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