<prompt> Akathisia is treated by all except:TrihexyphenodylPropanodolHaloperidolPromethazine  <response>: Ref: KDT 6e p431 Akathisia is a side effect of antipsychotic drugs like haloperidol: It is treated with - Central anticholinergics like Trihexyphenidyl - First generation antihistaminics like Promethazine Propanolol Diazepam 