Intrakranial blødning, intrakranial venøs sinustrombose, slagtilfælde pga. blodprop, cerebral iskæmi, forbigående iskæmisk anfald, leukoencephalopati, neurotoksicitet, polyneuropati, perifer motorisk neuropati, sanseforstyrrelser, afoni, taleforstyrrelse, forstyrrelse i opmærksomhed, ataksi, nedsat balance, postural svimmelhed, brændende fornemmelse, smerter ved cervikale rødder, dyskinesi, hyperæstesi, motorisk dysfunktion, myastent syndrom, oral paræstesi, psykomotorisk hyperaktivitet, anosmi
Intracranial haemorrhage, intracranial venous sinus thrombosis, thrombotic stroke, cerebral ischaemia, transient ischaemic attack, leukoencephalopathy, neurotoxicity, polyneuropathy, peripheral motor neuropathy, dysaesthesia, aphonia, dysphonia, disturbance in attention, ataxia, balance impaired, postural dizziness, burning sensation, cervical root pain, dyskinesia, hyperaesthesia, motor dysfunction, myasthenic syndrome, oral paraesthesia, psychomotor hyperactivity, anosmia