A 19 year old boy suffering from chronic schizophrenia is put on haloperidol in the dose of 20 mg/day. A week after the initiation of medication the patient shows be restlessness, fidgety, irritability and cannot sit still at one place. The most appropriate treatment strategy is:: (A) Increase in the dose of haloperidol, (B) Addition of anticholinergic drug, (C) Addition of betablocker, (D) Adding another antipsychotic drug
Answer is C. C i.e. Addition of B blocker