JUST A QUSTION AND ANSWER>>> WELL ASIDE FROM CF. I GET SIACTIC IN MY BACK ... NOT FROM CF.. I THINK ITS FROM CARRYING MY SON AROUND TO MUCH ON MY HIP.. I SPOILED HIM LIKE THAT. BUT ANYWAY MY PRIMARY DR.. NOT MY CF DR, GAVE MY VICOPROFEN. A PIAN KILLER WITH ADVIL.. I DONT TAKE IT ALL THE TME CAUSE 1 IT CAN GET ADDITING AND 2 CAUSE IM NOT SURE HOW GOOD IT IS FOR CF. BUT MY POINT IS ONCE IN AWHILE EVEN WITH THOSE CF PAINS WAKING UP FEELING LIKE YOUR CHEST IS TIGHT AND SWOOLEEN. OR COUGHING SO HARD IT HURTS WELL TAKING 1 OF THESE PILLS ONCE IN AWAILE WHEN YOU CANT TAKE IT HELPED... IT TAKES THE PAIN AWAY AND HAS THE ANTIINFLAMAOTRY IN IT TO...MY POINT IS HAS ANYONE ELSE EVERY TAKING PAINKILLERS W/ CF..