By Vora Pain Medicine Team
Epidural steroid injections (ESIs) are one of the most commonly performed procedures for nerve-related back and neck pain — but the idea of a spinal injection understandably makes many patients nervous. Here's a general walk-through of what's actually involved.
An ESI delivers anti-inflammatory medication directly into the epidural space around the irritated spinal nerve, using live X-ray (fluoroscopic) guidance to place the needle precisely. The procedure itself is typically brief — often 15 to 30 minutes — and performed on an outpatient basis, meaning most patients go home the same day.
ESIs are generally considered for patients with nerve-related (radicular) pain from conditions like a herniated disc or spinal stenosis, particularly when pain radiates into an arm or leg. They're less likely to help pain that's purely mechanical or muscular in nature — which is part of why an accurate diagnosis matters before any procedure is recommended.
Relief varies by patient — some feel improvement within days, and benefits can last anywhere from several weeks to several months. It's common for ESIs to be one part of a broader treatment plan that also includes physical therapy.
As with any procedure, the specific risks, benefits, and alternatives for your situation should be discussed directly with your provider as part of informed consent, before treatment.