Thankyou, I have COPD for sure , Itake medications given my doctors. Ihave discussed the problem Ihave with my Thank you, I have COPD and take medications forthis problem. Ihave a problem and at this my Thank You I have COPD and dotake medications for this. I have an additional problem, that at this time, theDoctor does have an anser to what is the cause. I caugh somewhat deep in my thorat area, My whessing is somewhat bad,my breathingis difficalf at times, inthe last few weeks I have started having a bad taste in mouth uasully after caughing, and it is a bad taste. My doctor has just giving me a medication, Refenesen 400 MG tablet three times a day,for congestion/COPD. Do you have an answer to what is causing the bad taste and whessing, etc. d