Like being in a boxing match

I'm very prone to post-cold coughs that go on forever - possibly because I have chronic sinusitis (from over-using mothballs years ago) and I can't use steroidal decongestant sprays  because of my eyes - but this has to have been the worst, almost five weeks of coughing. I had a vile summer cold beginning of July, that came and went, then a few weeks later I developed a cough from nowhere. Three lots of antibiotics and now an inhaler (which I think is helping, though I had to get a space...