Occasionally, headache, dizziness, malaise, myalgia, nausea, diarrhea, pruritus, constipation, abdominal pain. Confusion, gynecomastia, hyperprolactinemia, sexual dysfunction, bradycardia. Insomnia, hallucination, vomiting, skin rash (rare), leukopenia, granulocytopenia, thrombocytopenia.