I just did a 30 minute walk 25 minutes of which were great. When I turned the corner back to my front door (about 200 yards from it) I started a coughing fit that nearly did me in. I managed to make it home where I continued coughing hard - really hard. I downed a cough pill and then sucked on my inhaler and grabbed some cold water.
I am now able to breathe again but whoa. That was scary and not fun. And it's the second time it has happened recently.
I have an appointment with Dr. Lung in a few weeks. I'm making notes.