This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'All are causes of hyperprolactinemia, except \nSelect and explain. \nA. Bromocriptine, B. Phenothiazine, C. Methyldopa, D. Metoclopramide', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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.', 'role': 'assistant'}]