A Male Patient Takes Carbamazepine (Tegretol)

A male patient takes carbamazepine (Tegretol) .The spouse reports sexual dysfunction,but the patient adamantly denies he has this problem.What response by the nurse is best?

A) Telling him,"You need to think of your wife's needs too."
B) Telling him this is common and can be discussed if wanted.
C) Questioning the patient again about sexual functioning
D) Telling the doctor to change the patient's prescription