Drowsiness/sedation, dizziness, tachycardia, constipation, hypersalivation. Leukopenia/decreased WBC/neutropenia, eosinophilia, leucocytosis, wt gain, dysarthria, seizures/convulsions/myoclonic jerks, extrapyramidal symptoms, akathisia, tremor, rigidity, headache, blurred vision, ECG change, syncope, postural hypotension, HTN, nausea, vomiting, dry mouth, elevated liver enzymes, urinary retention & incontinence, benign hyperthermia, disturbances in sweating/temp regulation, fatigue.