A nurse is caring for a client who is experiencing severe vomiting. Which of the following medications should the nurse plan to administer?

A. Propafenone is an antiarrhythmic medication used to treat irregular heartbeats. It is not used to treat vomiting and would not be appropriate for this client. B. Prochlorperazine is an antiemetic medication commonly used to treat severe nausea and vomiting. It works by blocking dopamine receptors in the brain, which helps reduce the urge to vomit. C. Metformin is an oral antidiabetic medication used to manage blood glucose levels in people with type 2 diabetes. It is not used to treat vomiting and would not be appropriate for this client. D. Simvastatin is a lipid-lowering medication used to manage high cholesterol levels. It is not used to treat vomiting and would not be appropriate for this client.