A Client Diagnosed with Obsessive-Compulsive Disorder Has Been Taking Fluoxetine

A client diagnosed with obsessive-compulsive disorder has been taking fluoxetine for 1 month. The client tells the nurse, "These pills are making me sick. I think I'm getting a brain tumor because of the headaches." Which response by the nurse would be most appropriate?

A) "Let's talk about how often you have been performing the rituals lately."
B) "Tell me how many times you have washed your hands today."
C) "Have you been practicing your deep breathing and relaxation exercises?"
D) "These medications have side effects that can cause increased headaches."