| − | Extrapyramidal (movement) symptoms such as tremors and dystonia. Also may cause the very rare but potentially fatal neuroleptic malignant syndrome. Another, potentially permanent movement disorder tardive dyskinesia. | + | Extrapyramidal (movement) symptoms such as tremors and dystonia. Also may cause the very rare but potentially fatal neuroleptic malignant syndrome. Another, potentially permanent movement disorder is tardive dyskinesia. |