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
All of the following side effects are seen with Ipratropium bromide except - 
Select and explain. 
A. Urinary retention, B. Dryness of mouth, C. Scratching in trachea, D. Bad taste
A: Urinary retention
Answer: A: Urinary retention 
Explanation: 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