My father in law, a vet, has a radiculopathy I've treated in the past with a cuppla ESI's (depomedrol 80mg) with pretty good results. The VA he goes to doesnt do them, so I've done 2 ESIs in his dining room. He's had pretty good results (months of amelioration of symptoms), but now his symptoms are back. An MD he sees at the VA said he read about adding elavil/nortryptiline/carbamazapine to the epidural injection. I've never done this. Any attendings out there know anything about this? Any literature references?