A Client Calls the Nurse Help-Line and Says, "My Friend

A client calls the nurse help-line and says, "My friend and I have been swimming and drinking beer all day and he took a couple of swigs of Robitussin DM (dextromethorphan) about 15 minutes ago. Now he is acting funny and seeing things." What should the nurse consider when formulating a response?

A) The patient will need dialysis treatment to reverse overdose.
B) This is an opioid drug.
C) Dextromethorphan is very addicting.
D) Dizziness is one of the adverse effects of this drug.
E) Abuse of this drug can result in coma.