Hurting

If the pain really is from the ribs you might seek out a pain doctor, anesthesiologist trained, to try a spinal injection to block the nerve from sending the pain message. That helped me when I has shingles and also broken ribs.

Try using the search feature at the top of this page and enter costochontritis. You should find many threads discussing this and possibly some idea's of what helps as far as dealing with the pain issues. It is one of the hardest things to treat and I think many find relief in the way of strange or odd modalities so it's entirely possible one of the meds you were taking for mental health issues was providing some form of relief. Many people who have this believe that there's some type of nerve involvement simply because of the nature and intensity of the pain and in saying that many folks here through the years has found nerve related pain control with using some of the psych meds off label.