The Efficacy of Lumbar Epidural Steroid Injections: Transforaminal, Interlaminar, and Caudal Approaches

Conservative management of low back pain includes the use of lumbar epidural steroid injections, which have become increasingly more popular in the last 20 years. The body of literature regarding the efficacy of these injections is vast, conflicting, and difficult to summarize. This article reviews the updated evidence for efficacy and the indications for these injections.