<prompt> A 19 year old boy suffering from chronic schizophrenia is put on haloperidol in the dose of 20 mgday. A week after the initiation of medication the patient shows restlessness, fidgety, irritability and cannot sit still in one place. The most appropriate treatment strategy is -Increase in the dose of haloperidolAddition of anticholinergic drugAddtion of beta blockerAdding another antipsychotic drug  <response>: Restlessness, fidgety, irritability and inability to sit still at one place in a patient, one week after initiation of antipsychotic haloperidol suggest the diagnosis of Akathisia.The first line drug for akathisia is most commonly a β-blocker. 