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Eyelid myokymia in patients with migraine taking topiramate
V Medrano-Martínez1, A Pérez-Sempere2, J M Moltó-Jordá3
1Department of Neurology, Hospital General Universitario Virgen De La Salud, Elda, Spain.
Objective:
Although ocular side effects of topiramate are common, neuroophthalmologic manifestations such as blepharospasm, myokymia and oculogyric crisis are scarcely reported.
Methods:
We present a serie of 8 patients with migraine who developed eyelid myokymia after treatment with topiramate. We reviewed all patients with migraine treated with topiramate attending the headache outpatient clinic of our hospital from January 2008 to December 2012.
Results:
During the study period, a total of 140 patients with migraine were treated with topiramate in our headache clinic. Eight presented eyelid myokymia after beginning treatment with topiramate (5,7%). Topiramate was stopped and myokymia disappeared in all patients, it was prescribed again and eyelid myokymia reappeared with their previous characteristics in all patients.
Conclusions:
Eyelid myokymia is an underreported side-effect of topiramate in patients with migraine, of unknown cause, so that in future, further studies are need to examine whether patients with migraine are predisposed or not to this adverse effect.
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