Thanks for writing to us.
A constant persistent pain in your rib cage
is likely to be related to inflammation of the costochondral joints- costochondritis
It is an autoimmune related problem and exact cause is not known. Pain during coughing is not always associated with it. Consulting a Rheumatologist
will help in proper diagnosis and treatment.
is not likely to cause such symptoms.
I hope this information has been both informative and helpful for you.
Dr. Rakhi Tayal