Strength is antipsychotic drugs is effective reducing SZ symptoms. Researchers found that patients who took chlorpromazine showed better overall functioning and reducing symptom severity compared to those who took placebo. Additionally atypical antipsychotics like clozapine are effective treating both negative and positive symptoms.TMB antipsychotic drugs help manage symptoms of SZ and improve quality of life.Therefore effectiveness supports use of biological therapies as key treatment for SZ.