Final answer:
The nurse should advise the wife to go to the emergency room because this could be a life-threatening event.
Step-by-step explanation:
The patient is experiencing symptoms of confusion, sweating, and vomiting after starting fluoxetine (Prozac). These symptoms are not normal side effects and could indicate a serious condition. The nurse should advise the wife to go to the emergency room because this could be a life-threatening event. It is important to seek immediate medical attention to determine the cause of these symptoms and provide appropriate treatment.