I've had them - facet injections - at pretty much every level of my spine where the facets exist.

One of the benefits of scheduling the appointment is that it provides the opportunity to discuss your fears and ask your doc - or the doc who will do the procedure - plenty of questions beforehand.

The doctor should also be provide you with patient info. that explains the "what for" and "how so" it's done details.

One thing I'd definitely expect of any doc using needles in my spine is that he or she also uses a C-Arm (a.k.a., live-guided x-ray or fluoroscopy) so that it is not a hit-n-miss approach. It should entail precision, and the needles targetted.