This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'Galactorrheamy be associated with the use of all the following drugs except - \nSelect and explain. \nA. Methyldopa, B. Tricyclic antidepressants, C. Pyridoxine, D. Phenothiazine', 'role': 'user'}, {'content': "Answer: C \nExplanation: Lactation in the absence of breast feeding is known as galactorrhea. Drugs causing galactorrhea are dopamine antagonists like antipsychotics (phenothiazines,butyrophenones),antidepressants, antiemetics and dopamine depleting drugs like reserpine , methyldopa .These dopamine antagonists elevate prolactin concentrations and results in galactorrhea. Reference -Davison's principles and practice of Medicine , 22nd edition ,page no.790", 'role': 'assistant'}]