I have had a cough for about a year.  I would say I cough approximately every ten minutes or so.  Sometimes it is worse than other times.  Lately when I have coughed hard for several minutes, it sounds like a cat purring when I breath.  I have been to the doctor and had a chest x-ray and everything was fine.  Just cant figure out why I continue to cough.  It is really annoying!!
Hello, As you explain the history better to do a Spirometry test to see for obstruction of the airways. Please discuss with your doctor. Hope I have answered your query. Let me know if I can assist you further. Take care Chat Doctor.