I am a male age 72 a pulmologist says that I have copd tho I do not have symptoms of copd except breathlessness I do not smoke or drink I have been taking tab supradyn ab, (1-1-1) tab spiromont 180 (0-0-1) and inhaler nistami once daily despite taking these medicines foe almost a year plus there is no change in breathlessness. I get breathless even for doing minor things. I can walk around tho. What should I do to reduce breathlessness suggest alternate medication please thank you.