Clearwater, FL - (727) 462-5582
Beverly Hills, CA - (310) 975-7033

Sacroiliac Injections

Clearwater, Tampa, St Petersburg, Florida

What is a Sacroiliac (SI) (joint block) Injection?

A Sacroiliac (SI) joint block injection is used to relieve low back pain and pain associated with arthritis in the sacroiliac joint, known as sacroiliac joint dysfunction. The sacroiliac joint connects the sacrum (bottom of the spine) to the pelvis (and the hip bone). A SI joint injection places a steroid (Cortisone), a strong anti-inflammatory medication, directly into the SI joint. This reduces inflammation within the space surrounding the spinal cord and nerve roots, which in turn significantly reduces pain or eliminates it.  Along with the cortisone, Lidocaine (also referred to as Xylocaine), a fast-acting local anesthetic may be used for temporary pain relief. Bupivacaine, a longer lasting medication, may also be used.

How is a SI Injection Performed?

SI joint injections are performed in a comfortable room at our office. With the patient lying on their stomach, we clean the area of the low back with an antiseptic solution. A fluoroscope, which provides a live x-ray image of the vertebrae, is used to accurately guide needle placement for the injection. The injection procedure only takes a few minutes. A band-aid covers the injection site. Substantial pain relief occurs around the fifth day after the initial injection. The effect of an SI injection (anesthetic and cortisone) can last from several weeks to a year. For our patients, we often perform a series of three injections, spaced a week apart. Upon completion on this process, many of our patients find relief of symptoms within a few weeks. Our goal is to control the inflammatory process and provide our patients with long-lasting relief.

Potential Side Effects or Complications of a SI Injection

As with any procedure, there is the potential risk for side effects or complications. Fortunately, the most common side effect of a SI steroid injection procedure is discomfort at the injection site. Potential side effects of having cortisone are: fluid retention, weight gain, elevated blood pressure, insomnia, mood swings, increased blood sugar and the suppression of natural cortisone production within the body. If you have any questions about the potential side effects of having a SI injection, we would be happy to discuss any concern you may have.

If you continue to suffer with chronic SI pain and your current treatment plan leaves you feeling hopeless, perhaps a fresh set of experienced eyes can change your outlook.  Since 1990, Dennis M. Lox, M.D has applied his personal interests in sports medicine, cutting-edge regenerative medicine and chronic pain management to helping patients increase their quality of life. Contact us for an appointment at 727-462-5582 or

Dennis M. Lox, MD, and the Florida Spine Center serve patients within the greater Tampa Bay area, including Clearwater, Tampa and St. Petersburg, as well as all of Florida and the US.

All statements, information or opinions provided by this website are provided for educational purposes only. We do not diagnose nor treat through this website or by telephone. As you consider any treatment, discuss them with your physician.

Are You Looking to Avoid Surgery?

If you haven't found joint relief should schedule a personal consultation with Dennis M. Lox, M.D., to learn if you are able to get joint relief without the need for invasive surgery.

Stem Cell Therapy in Clearwater, FL and Beverly Hills, CA

Dr. Lox treats the Tampa Bay Metro Area including Clearwater, St. Petersburg, Tampa , Pinellas Park, Palm Harbor, Orlando and Sarasota as well as the Los Angeles Metro Area including Santa Monica and Beverly Hills.

Call our office in Clearwater, FL or Beverly Hills, CA to schedule a consultation with Dr. Dennis Lox.

Clearwater, Florida Office

2030 Drew St.
Clearwater, FL 33765
(727) 462-5582

Beverly Hills, California Office

450 N Roxbury Dr. #602
Beverly Hills, CA 90210
(310) 975-7033

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*DISCLAIMER: Like all medical procedures, those performed by Dennis Lox, M.D. have a success and failure rate. Patient reviews and testimonials on this site should not be interpreted as a statement on the effectiveness of our treatments for anyone else.