Hi there, your rheumy was right to be concerned about the chest pain. It really should be looked into to determine whether it's muscle strain due to all the coughing, costochondritis (probably due to a combination of the coughing and the AS), or heart related. Finding out will ease your mind as well as your doctor's.
Here's a link from MedicineNet on heart attacks and women.
Heart Attack Signs in Women You are taking the Celebrex with food and a full glass of water, yes?
Sorry to nag, but just wanted to make sure.
Hugs,
