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: Pharmacology
[{'content': 'All of the following side effects are seen with Ipratropium bromide except - \nSelect and explain. \nA. Urinary retention, B. Dryness of mouth, C. Scratching in trachea, D. Bad taste', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Urinary retention Transient local side effects of ipratropium bromide are : Dryness of mouth o Cough Nervousness Scratching of trachea o Bad taste", 'role': 'assistant'}]