SUNCT Syndrome Responsive to Lamotrigine

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Abstract
Background.—Short‐lasting, unilateral, neuralgiform headache attacks with conjunctival injection, tearing, rhinorrhea (SUNCT syndrome) is a headache form generally refractory to drug therapy. Occasional patients with SUNCT have been reported with a successful response to lamotrigine.Objective.—To report two patients with SUNCT treated with lamotrigine.Methods.—Clinical history, neurologic examination, and brain magnetic resonance imaging.Results.—Both patients with SUNCT syndrome were successfully treated with lamotrigine. In both cases, when lamotrigine was tapered off, the attacks reappeared, only to disappear when the dose was again increased. In addition, lamotrigine was well tolerated and no undesired side‐effects were reported.Conclusion.—If the positive effect of lamotrigine in patients with SUNCT is confirmed in other cases, lamotrigine could become the first specific treatment for SUNCT syndrome.