Wolfed Lyme - Your pulmonary symptoms could be caused by anxiety, but if it were me, I certainly would not accept that as an answer until everything else had been ruled out. I had those symptoms, too, and although I saw a cardiologist, and a cardiology specialist, neither discovered the true cause of my symptoms. I also was referred to a counselor for anxiety, and took Paxil to treat that anxiety. Neither of those solutions lessened my symptoms significantly. It wasn't until I was tested, several years later, for Lyme and coinfections that I found out I had babesia. That is what was causing my tight chest and air hunger. Well, that and the other undiagnosed problem I had which was severe sleep apnea. It always scares me to hear anxiety offered as a diagnosis for these symptoms; there are so many physiological things that can cause them. One other thing you might want to check, if you have only been having the tight chest and air hunger while taking this antibiotic, and it is a new antibiotic for you, your symptoms may be a side-effect of the medication. I cannot take Cipro because it does that to me.
I also have a history of sinusitis, and have also been told it could be attributed to Lyme. I don't think it is a herx reaction; I think it is from toxin build up since sinuses are part of our drainage system. But that's just an opinion.
I hope you find an answer soon. If it is babesia, it is important to get treatment before it gets worse.
I have Lyme; it doesn't have me.