A nurse is assessing a client who is taking beclomethasone. Which of the following findings is the priority to report to the provider?

Choice A rationale A white coating in the mouth can indicate oral thrush, a common side effect of inhaled corticosteroids like beclomethasone. This requires prompt treatment to prevent further complications. Choice B rationale Nausea is a less common side effect of beclomethasone and is not as urgent as oral thrush. Choice C rationale Myalgia (muscle pain) is a less common side effect and not as critical as oral thrush. Choice D rationale Headache is a common side effect but not as urgent as oral thrush.