Thank you all for your responses! It seems as though it really just depends on your pain. Along with all of your experiences, the various things I have been reading online are all different. I most likely am going to try it, because of the chance that it could help me. And it does not seem like there are any long lasting horrible side effects from these shots, so it is probably worth the try.
Chronic Daily Headaches. (New Daily Persistant Headache-NDPH).
Anxiety/Panic disorder. Depression linked to chronic pain.