A patient of glaucoma with bronchial asthma presents to the emergency with status asthmaticus, causative agent might have been –: (A) Pilocarpine eye drop, (B) Timolol eye drop, (C) Betaxolol eye drop, (D) Levobunolol eye drop
Answer is B. Pilocarpine and timolol (β - blockers) can cause bronchospasm. However, β-blockers are the most commonly used drugs for POAG and pilocarpine is used very rarely these days. So, best answer here is timolol.