A nurse is reinforcing teaching for a client who has generalized anxiety disorder and has been prescribed alprazolam. Which of the following instructions should the nurse give the client?

"Stop taking alprazolam right away if you experience abdominal discomfort."

"Watch for drowsiness and light-headedness while taking alprazolam."

"Drinking alcohol decreases the effectiveness of alprazolam."

"This medication has a low risk for physical dependence."