I am suffering from breathing problem from 3 months... i had done lung xray which is normal... i had done ultrasound...in which in come to know i have pcod... n now recently from 10 days m suffering from acid reflux also... symptoms are like that...for which m taking madications pantocid tabket regularly n sometimes digene syrup... but beathinh problem are still there... i had done endoscopy recently... in which gerd and jakham in food pipe found... may i know is there any test require to know why is breathing difficuly troubling me so much... any lung test or something else