<prompt> A patient came to the casualty with acute bronchial asthma after treatment for glaucoma. The probable drug may be:TimololBetaxololLatanoprostAnticholinesterase  <response>: Ans. A TimololRef KDT 8the p167Timolol is a non-selective beta blocker and can precipitate acute attacks of asthma in a susceptible individual via blockade of b2 receptors. Betaxolol is a cardioselective beta blocker and is less likely to cause this adverse effect. 