I HAVE THE SAME THING . DOCS PUT ME ON THE SAME MEDS NOTHING IS WORKING EVERY MORNING 10AM COUGH FOR 45 MIN OR UNTIL I GET OUT A GOOD QUANTITY OF PHLEM. THEN OK TILL I HIT SMOKE OR DRY TO HUMID CLIME CHANGE.. BUT EVERY MORNING ON TIME 10AM. WENT TO FLORIDA FOR 2WEEKS IT OCCURED THE SAME TIME RECENTLY I WENT TO HOSPITAL FOR DEHYDRATION AND AT 1010AM WITH NO CLOCK IN SITE I GOT IT.. JUNE I SEE PULMONOLOGIST WHO WANTS TO RUN TESTS FOR ASTHMA AND STICK SCOPE IN MY LUNGS FOR OBSTRUCTIONS... HOPE YOU FIND OUT WHAT IT IS .. I AM GUESSING BUT WHAT ABOUT PARASITES? THIS IS THE ONLY THING THEY HAVENT TESTED FOR ON ME AND I TRAVEL AND EAT RAW FISH. LET ME KNOW IF YOU FIND OUT ANY THING HELPFUL TONYR I AM AT ***@****