A nurse is providing discharge instructions to a client who has asthma and a new prescription for montelukast. The nurse should instruct the client to report which of the following adverse effects to the provider?

Choice A reason: Palpitations are not a common adverse effect of montelukast. Choice B reason: Constipation is not associated with montelukast use. Choice C reason: Depression and mood changes have been reported with montelukast, especially in pediatric and adolescent populations, and should be reported immediately. Choice D reason: Blurred vision is not a typical side effect of montelukast.