This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharmacotherapy Management of Children and Adolescents, Subject name: Psychiatry
[{'content': 'A pt. was treated with amitryptiline for depression developed urinary retention, constipation and blurring of vision, most likely cause is : \nSelect and explain. \nA. Anticholinergic side effects, B. Expressed symptoms of depression, C. Superadded prostatic enlargement, D. Any of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' Anticholinergic side effects Tricyclic Antidepressants have prominent Anticholinergic side effects. Symptoms are -Dry mouthBad TasteBlurred vision (mydriasis)ConstipationUrinary retentionEpigastric distress", 'role': 'assistant'}]