When Is a Sacroiliac Joint Injection Recommended?

Pain near the lower back or buttock can have several sources, so a clinician first reviews the history, movement pattern and examination. An injection places medicine into or around the sacroiliac joint using clinical guidance. Local anaesthetic may help test whether the joint contributes to symptoms, while an anti-inflammatory medicine may be considered for symptom relief.

The procedure is one part of a broader plan. It does not correct every cause of pelvic or back pain, and any benefit can vary. The clinician should review medicines, allergies, infection risk and other health conditions before proceeding.

Keep a record of where the pain travels, what activities trigger it and how it affects sleep or walking. Tell the clinician about blood-thinning medicines, diabetes, allergies, pregnancy possibility and previous injections. Ask what activity is suitable afterward and how physiotherapy, movement training or load changes will fit into the plan.

Seek urgent care for new loss of bladder or bowel control, numbness around the groin, severe or progressive leg weakness, or back pain with fever or feeling acutely unwell. After an injection, urgent review is needed for worsening redness, drainage, fever, severe new weakness or pain that escalates rather than settles.

Ask how the joint was identified as a pain source, whether the injection is mainly diagnostic or therapeutic, what medicines will be used, and what alternatives or follow-up plan are available.