<prompt> Dopamine receptor agonist -MethyldopaBromcriptineHaloperidolMorphine  <response>: Ans. is b i.e., Bromocriptine Drugs causing hyperprolactinemiao Prolactin is under predominant inhibitory control of hypothalamus through prolactin releasing inhibitory hormone PR1H.o PRIH is a dopamine that acts on pituitary lactotrope D. receptor.o So, Dopaminergic agonists decrease plasma prolactin levels. These agonists are : Dopamine Cobergoline Bromocriptine Apomorphineo Dopaminergic antagonists and DA depleters will increase prolactin level Dopaminergic Antagonists are :Dopamine deters are :o Chlorpromazineo Reserpineo Haloperidolo Methyl dopao Metoclopram ide Other drugs increasing prolactin releaseo Opiateso Verapamilo Amitriptyline, amoxapineo Cimetidine ranitidineo Fluoxetino Estrogens, antiandrogens 