I have had all kind of shots and blocks in my back. I have probably 20 shots or injections since 1993 and I have never got any relief. I have heard of people that have got great relief. I have Arachnoiditis and they do not help me at all. I have even heard stories of people getting Arachnoiditis from injections. I say do your homework and make sure what your doctor is using. If I can make it without ever getting another shot or block I will not let them ever stick a needle in my back again but my situation is different than most. I have discovered that a diet with high amounts of sugar feed inflammation so I have changed my diet and it helps.