Asthenia, drowsiness, amnesia, ataxia, convulsion, dizziness, headache, tremor, depression, emotion liability, hostility, insomnia, nervousness, abnormal behavior, aggression, anger, anxiety, confusion, hallucination, irritability, psychosis, diarrhea, dyspepsia, nausea, anorexia, vertigo, skin rash, leucopenia, neutropenia, thrombocytopenia, pancytopenia.