PLEASE CAN SOMEONE EXPLAIN TO ME WHATS HAPPENING .I WAS DIAGNOSED WITH COPD 2 YEARS AGO ,WHICH I HAVE NOT SUFFERED ANY MAJOR PROBLEMS UNTILL RECENTLY.I HAVE SUFFERED WITH WHEEZING SHORTNESS OF BREATH ,BURNING AND STINGING SENSATIONS IN MY RIGHT LUNG ,AND NOW I AM SUFFERING WITH WHAT AS I CAN ONLY DESCRIBE AS PINS AND NEEDLES IN MY BACK WELL SHOULDER BLADES AND THE TOP OF MY BACK.I AM SCARED AS ITS ALL HAPPENING SO QUICK AS I WAS FINE 2 WEEKS AGO AND NOW I FEEL SO UNWELL.PLEASE HELP ME UNDERSTAND ANYONE.!!!!!!