Sacroiliac (SI) joint injections are used to diagnose and treat SI joint dysfunction. Located in the lower back and pelvis, the SI joints can become inflamed from degenerative spine disease, arthritis, or a traumatic lower back injury. An injection can confirm the joint as the source of pain and relieve it.
This procedure is used for the following conditions. Each links to its own page with symptoms and other treatment options.
Individuals diagnosed with SI joint pain may consider corticosteroid injections as treatment:
Oral medication first
Some physicians recommend oral medication before progressing to injections.
Image-guided injection
A corticosteroid and anesthetic are placed into the joint under X-ray guidance.
A comprehensive plan
Injections are usually part of a plan that includes physical therapy.
Repeat if helpful
Some patients receive injections several times per year, using oral medication for breakthrough pain.
An SI joint injection delivers a numbing agent, often with a corticosteroid, directly into the sacroiliac joint under X-ray guidance to diagnose or treat SI joint pain.
If the injection produces significant, near-immediate relief, it is highly likely the joint is the cause of the pain. A second injection with a different anesthetic may be used to confirm.
Relief from a therapeutic injection varies from weeks to months. Some patients receive injections several times per year as part of a broader plan.
Yes. They are usually part of a comprehensive plan that may include physical therapy, oral medication for breakthrough pain, and activity changes.
Degenerative spine disease, arthritis, and traumatic lower back injuries are common causes of SI joint inflammation.
If SI joint pain is confirmed but injections no longer provide lasting relief, radiofrequency ablation or minimally invasive SI joint fusion may be considered.
Yes. X-ray guidance ensures proper placement of the needle in the joint.
An evaluation of your symptoms and imaging can determine whether the SI joint is a likely source. Call (321) 499-4646.
SI joint injections can provide:
SI joint injections are performed on an outpatient basis.
Same day
Note your relief
Record how your pain changes in the hours after the injection.
Following days
Steroid takes effect
Anti-inflammatory relief may build over several days.
Follow-up
Plan next steps
Results guide therapy, repeat injections, RFA, or SI joint fusion.
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Expert, ultra-minimally invasive spine and orthopedic care, close to home.
Ultra-minimally invasive and endoscopic techniques
We specialize in procedures performed through incisions smaller than a dime, sparing muscle and supporting a faster recovery.
Same-day, outpatient procedures
Most patients walk in and return home within hours, rather than facing an overnight hospital stay.
Board-certified, fellowship-trained surgeons
Our team includes early leaders in endoscopic spine surgery.
A complimentary MRI review
Understand your diagnosis and options from a board-certified specialist before committing to any treatment.
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A complete SI joint program
From diagnostic injections to RFA and minimally invasive SI joint fusion, all in one place.
Comprehensive spine and orthopedic care
From injections to advanced procedures, your full continuum of care is handled in one place.
Convenient locations across the Space Coast and Orlando
Care close to home in Melbourne, Orlando (Lake Nona), and Titusville.
