Alvorlig neuropati (hovedsagelig perifer), svimmelhed, nervøsitet, søvnløshed, depression, abnorm tankegang, hypokinesi, abnorm gangart, hypæstesi, smagsforstyrrelser, hovedpine
Common: severe neuropathy (mainly peripheral), dizziness, nervousness, insomnia, depression, abnormal thinking, hypokinesia, abnormal gait, hypaesthesia, taste perversion, headache