• Esra Ertilav, Ali Akyol, and Osman Nuri Aydin.
• Algology-Neurology Department, Mehmet Akif Ersoy State Hospital, Canakkale, Turkey.
• Pain Pract. 2021 Nov 1; 21 (8): 974-977.

BackgroundCaudal epidural injections are easy, effective, and safe methods and are good options for patients with low back pain and radicular lower extremity pain. Although various complications related to the technique of the procedure or the drugs used in the procedure have been described, Posterior Reversible Encephalopathy Syndrome (PRES) has not yet been defined for this intervention.CaseIn this case report, we describe a case of PRES, which we supported with MRI findings in our patient who developed convulsions, changes in consciousness, and vision loss after being administered with caudal epidural steroid, and whose imaging findings regressed with the regression of clinical symptoms during the treatment process.ConclusionAlthough PRES is rarely reported, it should be kept in mind that it is a complication that can develop after caudal epidural steroid injection.© 2021 World Institute of Pain.

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