Background: Sensory or motor syndromes, especially mononeuropathies, are infrequent complications of herpes zoster.
Case Report: We describe a 77-year-old woman who developed a severe right common peroneal nerve mononeuropathy with clinical onset 10 days after a vesicular rash consistent with herpes zoster in the territory of distribution of this nerve.
Conclusion: To our knowledge, peroneal nerve mononeuropathy associated with herpes zoster has not been reported previously.