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Frequent migraine attacks require prophylactic treatment. Anticonvulsants have been suggested due to the progressive knowledge that cortical hyperexcitability is involved in migraine pathophysiology. Topiramate is one of these drugs and its efficacy has been demonstrated in several studies. The aim of this study is to evaluate the adherence and response to topiramate in migraineurs under treatment in a tertiary center. During a 2-year period, all of the patients receiving topiramate for migraine were evaluated after 3 months. The parameters evaluated were adherence to treatment, frequency reduction of attacks &gt;50% and adverse events. Among 175 patients included, 134 (76.6%) returned. Among the 134 patients evaluated, 82 (61.2%) revealed frequency reduction &gt;50% and 105 (78.4%) patients presented weight loss (average 3.4Kg). The most frequent side effects were paresthesias (39.6%); emotional disturbances (including depression, irritability and anxiety) in 17,9%; thinking impairment (12.7%); memory disturbances (12.7%) and altered taste (11.9%). Despite methodological limitations we concluded that adherence to its use and efficacy occurred in most of the patients. In addition, the side effect profile was acceptable. Further controlled studies are necessary to confirm these observations.

Topiramato no tratamento preventivo da migrânea: experiência em um centro terciário