Asthenia, mengantuk, amnesia, ataksia, kejang, pusing, sakit kepala, tremor, depresi, cenderung emosional, kebencian/permusuhan, insomnia, gugup, perilaku abnormal, agresi, marah, kegelisahan, kebingungan, halusinasi, lekas marah, psikosis, diare, dispepsia, mual, anoreksia, vertigo, ruam kulit, leukopenia, neutropenia, trombositopenia, pansitopenia.