system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A patient came to the casualty with acute attack of asthma after starting treatment of glaucoma. The causative drug is
assistant
The correct answer is  Ans. (a) Timolol(Ref: Kanski 7/e, p. 383; Katzung 12/e, p. 158)Timolol is a non-selective beta blocker and thus acts on Beta 2 receptors also, leading to broncospasm and exacerbation of asthmaBetaxolol is a cardioselective (beta 1 blocker) and thus is free from this side effect