What Is A Sacroiliac Joint Injection?

There are two sacroiliac joints in the body that sits next to the spine. These joints connect the sacrum to the hip and are often responsible for low back pain. A sacroiliac joint injection is a procedure in which a local anesthetic and a corticosteroid are injected into the sacroiliac joint. This procedure may be used for diagnostic or pain treatment purposes.


Patients who endure chronic back pain will undergo a variety of diagnostic testing to determine the root problem. If the sacroiliac joint is in question, doctors and pain treatment specialists may recommend injections. During the procedure, a local anesthetic is injected into the sacroiliac joint. Patients will then be asked to perform movements that typically elicit pain. It is an indicator that the sacroiliac joint is the pain source if the patient experiences greater ease of movement. The doctor will be able to make a professional diagnosis based on the results of the procedure.


Sacroiliac joint injections may be used to treat pain in patients who live with arthritis or who had positive results during the diagnostic testing phase. Injections for the purpose of treatment are mixed with a corticosteroid for prolonged pain relief. How long does it take for Sacroiliac Joint Injections to work? Patients will begin to feel the effects within 48 hours. The length of treatment varies, with most patients reporting pain relief for several weeks to a few months. 

Sacroiliac Joint Injection Procedure

Southside Pain Specialists has a team of specialized medical professionals to perform sacroiliac joint injections at our pain clinic in Birmingham, AL. This is an outpatient procedure that takes around 20 minutes* to complete. Patient activity is not totally restricted post-procedure, however, we discourage maximum exertion or vigorous exercise.

*The length of the procedure is tentative due to variations in preparation and patient accommodations.

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