<prompt> A drug given for metoclopramide induced dystonic reaction is :PheniraminePromethazineChlorpromazineProchlorperazine  <response>: Acute muscle dystonia caused by antiemetic-antipsychotic drugs is promptly relieved by parenteral promethazine or hydroxyzine. This is based on the central anticholinergic action of the drugs.Promethazine is a first-generation anti-histaminic which has a maximum penetration of blood-brain barrier and maximum anticholinergic activity. 