This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Ipratropium bromide is absolutely contraindicated in 
Select and explain. 
A. Asthma, B. Urinary retention, C. Peptic ulcer, D. None of the above
B: Urinary retention
Answer: B: Urinary retention 
Explanation: Anticholinergic drugs have relaxant action on ureter and urinary bladder; leading to urinary retention in older males with prostatic hyperophy. However, the same can be beneficial in neurogenic bladder enuresis.