The CF cough! IYKYK Cystic Fibrosis causes a buildup of mucus in the lungs that constantly needs to be cleared out. So yes, people with cf are constantly coughing to clear their airways among using other devices, systems, and techniques daily. Paula shares how that CF cough was what led her doctor to instruct her to get a sweat test for CF. #CFAwarenessMonth #CysticFibrosisAwarenessMonth | Claire's Place Foundation, Inc.