Use of tiotropium is contraindicated in -: (A) Bronchial asthma, (B) Hypeension, (C) Urinary retention, (D) Peptic ulcer disease
Answer is C. Ans. is 'c' i.e., Urinary retention o Tiotropium is an antimuscarinic drug and it should be avoided in patients with history of prostatic hyperplasia (urinary retention) --> by antagonising the action of Ach in bladder it relaxes detrusor and stimulate trigone urinary retention.