These are the most difficult questions to answer as outcomes vary from patient to patient. Some patients get excellent relief that can last months to years, and some unfortunately get no relief whatsoever.

There are various factors at play which result in variable outcomes. These include but are not limited to duration of ongoing symptoms, severity of underlying condition, anatomical variations and challenges, previous history of spinal surgery, age, and their physiologic response to steroid based medications. Most patients require a series of injections a few weeks apart based on their response to an initial injection to maximize benefit and longevity.