Toxicology Reports (Dec 2023)

Nicolau syndrome after intramuscular injection of methocarbamol: A rare case report

  • Rasoul Goli,
  • Navid Faraji,
  • Razieh Janghiyamachi,
  • Nasim Talebiazar

Journal volume & issue
Vol. 11
pp. 346 – 348

Abstract

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Background: Methocarbamol is a muscle relaxant medication that is commonly used to treat muscle spasms and musculoskeletal pain. Methocarbamol intramuscular injection can cause necrosis of the soft tissue. This rare condition can create severe adverse event with permanent disability. Case presentation: A 32-year-old woman with no significant past medical history presented to the emergency department with severe pain, redness, and swelling involving her left buttock and the surrounding back area. Clinical discussion: The necrotic changes due to methocarbamol intramuscular injection can progress rapidly, leading to the formation of deep ulcers, cellulitis, and even abscesses. Prompt recognition and intervention are crucial to prevent further tissue damage and complications. Conclusion: Comprehending the fundamental mechanisms and identifying risk factors related to this complication is imperative in enabling healthcare professionals to proficiently manage and avert its manifestation.

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