HELLO DR.GRIEF,I HAVE DEVELOPED AND CHRONIC COUGH AND A HORRIBLE POST NASAL DRIP.ITS BEEN ACTIVE SINCE AROUND 2008 OR 2009 ABOUT 5 TO 6 YEARS NOW.I HAVE HAD EVERY TEST YOU CAN IMAGINE.ON MY LUNGS,SINUS,AND IT WAS EVEN SAID IT WAS ALLERGIES.NO DOCTOR I GO TO CAN HELP. I VE TAKEN ALLERGY SHOTS FOR A YEAR,TAKEN SINGULAR, AND XYZAL. I WAS TOLD IT WAS ACID REFLEX,I VE TAKEN LANSOPRAZOLE AND DYMISTA. I DON T BELIEVE IT S ANY OF THESE THINGS BECAUSE THE MEDS DON T WORK.COULD OGESTREL TABLETS POSSIBLE HAVE ANYTHING TO DO WITH IT?