Be sure that you give yourself plenty of time to heal - no matter how frustrating it may be. As much as I like you, once you are done with treatments, I would hate to see you back here because of a relapse!
I would encourage you to read through Dr. Joseph Burrascano's paper, "Advanced Topics in Lyme Disease", as he says that in some cases, probenecid may need to be added to Ceftin to achieve the high blood levels needed to kill this bacteria. Although with the air hunger that you mentioned, you may have a Babesia infection which could be stopping the healing.
I'd sure be interested in what your LLMD has to say, if you wouldn't mind letting us know!