Hi peahen
ME, ME, ME!!
I got diagnosed with costochondritis just after having a relapse in August 06. I thought I was having a heart attack! Just what I needed after the relapse. The costo seems to come and go, however Ive been feeling it more recently. Ive just had steriod treatment (2 weeks ago) and so dont know if its flared up after that.

I have read else where that there could be a link and that it is auto-immune related. And IT IS inflamation...
See you're not alone!