Parosmi (nedsat lugtesans), anosmi (almindeligvis reversibel efter afbrydelse af behandling), generaliserede tonisk kloniske epilepsianfald, unormal (ustabil) gang, intrakranial hypertension.
Very rare: parosmia (impaired smell), anosmia (usually reversible after interruption), grand mal convulsion, abnormal (unstable) gait, intracranial hypertension.