A transforaminal epidural steroid injection (TFESI) is an effective procedure for relief of back pain. A transforaminal lumbar epidural steroid injection (TFESI) is an injection of corticosteroids (anti-inflammatory medication) into the epidural space., to target irritated spinal nerve roots more directly. Transforaminal epidural injections deposit medication directly onto irritated spinal nerve root so it may be more effective. #transforaminalepiduralinjection #epiduralinjection #interventional