Patients with history of seizure or with alcohol or substance abuse in the last 6 months

Diabetes, Parkinson's disease or phaeochromocytoma

Patients with hypertension and current use of antihypertensive agents

Women who are pregnant, lactating or intend to become pregnant during the study period

Poor response to two different antipsychotics in full dose and full course or use of clozapine previously

Renal, hepatic, haematologic disease or other conditions may not suitable for the study based on investigator's evaluation

Zotepine Versus Risperidone in Aggressive Schizophrenic Patients of Acute Ward