<prompt> Tardive dyskinesia is least commonly associated with which of the following drugs?ThioridazineMetoclopromideThiothixeneClozapine  <response>: Ans. is d i.e., Clozapine Clozapine is an atypical antipsychotic while others are typical traditional antipsychotic drugs; thus tardive dyskinesia is least commonly associated with clozapine, amongst the options given. 