Hi, I m taking pantoprazole 40 mg q a.m. and 100 mg zantac at bedtime for micro gerd in trachea. That is the guess. Have had pfo closed 2 yrs ago which was discovered when shortness of breath, painful breathing and cough sent me to doc. Shortness of breath improved. Still have pain on deep breaths mostly, and cough. Symptoms haven t improved on this gerd tx after 6 wks. To be recehecked at 2 mos. Had comprehensive lung tests, no asthma, no sjogrens sp? No auto immune, no barrett s, had endoscopy, ct no contrast, barium esophageal xray.