Can you tell from your own cough if you have pneumonia or not?

I have never had pneumonia, but I have had a cold and a cough that has changed from a dry gag-rendering cough to a wet phlegmy cough, now to a very persistant cough that takes ages to bring anything up and it just won’t quit. After a cough fit, I get such a nasty hot rush.

Before you all jump on me about going to the doctor, I have a call in and am waiting for an appointment time. But, is this just a nasty cough? It is driving me crazy!