What are the potential complications after piriformis injection?

Updated: Nov 03, 2020
  • Author: Mary Louise Caire, MD; Chief Editor: Erik D Schraga, MD  more...
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Potential complications after piriformis injection include the following:

  • Infection or abscess at the injection site
  • Sciatic neuropathy due to direct injection into the nerve
  • Bleeding or hematoma formation at the injection site [12]
  • Temporary leg weakness and numbness if the local anesthetic causes a nerve block - To address this possibility, the patient should receive a neurologic evaluation before driving home

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