Recurrent Painful Ophthalmoplegic Neuropathy Responding to Lamotrigine: A Case Report.

Recurrent painful ophthalmoplegic neuropathy (RPON) is a rare neurological disorder characterized by recurring ipsilateral headache and paresis of one or more ocular motor nerves. We report the case of a 56-year-old woman with systemic lupus erythematosus (SLE) and hypertension, who presented with severe recurring headaches, nausea, and vomiting. Initially misdiagnosed with cerebral venous sinus thrombosis, her symptoms persisted despite anticoagulant therapy. Further evaluation led to the diagnosis of RPON. Management included intravenous analgesia, hydration, and indomethacin for pain relief. Persistent headache episodes necessitated the introduction of lamotrigine, resulting in significant symptom improvement. However, discontinuation of lamotrigine led to a recurrence of symptoms, which resolved upon resuming the medication. This case contributes to the limited RPON literature, providing insights into its diagnosis and management, with the goal of enhancing awareness and improving patient care.

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The authors have declared that no competing interests exist.