All are causes of hyperprolactinemia, except: (A) Bromocriptine, (B) Phenothiazine, (C) Methyldopa, (D) Metoclopramide
Answer is A. Answer is A (Bromocriptine): Bromocriptine is a potent dopamine agonist. It decreases prolactin release from pituitary by activating inhibitory dopaminergic receptors on lactotrope cells, a strong anti-galactopoietics action. All others are known to cause increased Prolactin.