Sacroiliac Joint Injection
A sacroiliac joint injection delivers corticosteroid and local anesthetic directly into the SI joint under fluoroscopic guidance — simultaneously diagnosing and treating low back, buttock, and pelvic pain caused by sacroiliac dysfunction, inflammation, or arthritis, with minimal recovery time and no surgery required.

Sacroiliac joint injections are a minimally invasive, outpatient procedure that targets the joint connecting the base of the spine to the pelvis — a frequently overlooked source of chronic low back, buttock, and pelvic pain affecting up to 25% of patients with chronic low back pain. A combination of local anesthetic and corticosteroid is delivered directly into the SI joint under fluoroscopic (X-ray) guidance — providing immediate diagnostic confirmation and sustained anti-inflammatory relief. The procedure takes 15–20 minutes, requires no hospital stay, and most patients resume normal activities within 24 hours. For patients who respond well, SI joint injections also serve as a gateway to radiofrequency ablation or minimally invasive joint stabilization for longer-lasting results.
What Makes Sacroiliac Joint Injections Effective
SI joint injections combine fluoroscopic precision, dual-action pharmacology, and individualized care to deliver reliable diagnostic and therapeutic outcomes for pelvic and low back pain patients.
Fluoroscopic Precision Targeting
Real-time X-ray imaging guides the needle directly into the sacroiliac joint space — ensuring accurate medication delivery and eliminating guesswork for maximum therapeutic effect.
Dual Diagnostic & Therapeutic Role
The injection simultaneously confirms the SI joint as the pain source and delivers anti-inflammatory medication — a critical step in building your long-term care plan.
Immediate Anesthetic Confirmation
Local anesthetic provides near-instant pain reduction within minutes of injection — validating the SI joint as the pain generator and guiding next treatment steps.
Corticosteroid Anti-Inflammatory Action
Corticosteroid medication reduces joint inflammation and slows degenerative progression — with therapeutic effects building over 3–5 days post-procedure.
Pathway to Advanced Interventions
A confirmed positive response to SI joint injection qualifies patients for SI joint radiofrequency ablation or fusion — longer-lasting solutions for chronic sacroiliac dysfunction.
Outpatient, Same-Day Discharge
Performed entirely in our Manhattan clinic with no hospital admission required. Most patients resume light activity within 24 hours of the procedure.
Individualized Injection Protocol
Each treatment plan is customized to the patient's specific anatomy, pain pattern, imaging findings, and functional goals — never a one-size-fits-all approach.
Integrated Multidisciplinary Care
SI joint injections are coordinated with physical therapy and rehabilitation to maximize long-term outcomes — not used in isolation.
Why Patients Choose Sacroiliac Joint Injections
For patients with low back, buttock, or pelvic pain that has not responded to oral medications or physical therapy, SI joint injections offer a targeted, image-guided path to relief — while simultaneously confirming the diagnosis and opening the door to longer-lasting treatments like radiofrequency ablation or joint stabilization.
Sacroiliac joint injections are a well-established, guideline-supported intervention endorsed by major pain medicine and spine societies as a first-line non-surgical diagnostic and therapeutic tool for pelvic and low back pain — with robust clinical evidence supporting their diagnostic accuracy and therapeutic efficacy.
A confirmed positive response to SI joint injection is the clinical prerequisite for SI joint radiofrequency ablation — a procedure that can provide 12–18 months of sustained relief — or minimally invasive SI joint fusion for patients with structural instability.
Conditions Treated with Sacroiliac Joint Injections
Sacroiliac joint dysfunction is responsible for up to 25% of chronic low back pain cases — yet it is frequently misdiagnosed as lumbar disc or facet pain. Our specialists use advanced diagnostic criteria, physical examination, and targeted injection to accurately identify and treat SI joint-mediated pain across a wide range of conditions.
Get Evaluated TodaySacroiliac Joint Injection — Common Questions Answered
Everything you need to know before your procedure — from how it works to what to expect during recovery and beyond.
Find Lasting Relief from Sacroiliac Joint Pain
Our board-certified interventional pain specialists will evaluate your imaging and symptoms to determine whether sacroiliac joint injections — or a pathway to radiofrequency ablation or joint stabilization — are the right solution for your pelvic and low back pain.
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