The Nurse Is Completing Discharge Teaching to a Patient Following

The nurse is completing discharge teaching to a patient following hospitalization for a seizure disorder who is being prescribed phenytoin (Dilantin) . What should the nurse include in these instructions?

A) "Maintain good oral hygiene, use a soft toothbrush, massage the gums, and floss daily."
B) "Carry identification indicating the type of seizures for which you are being treated."
C) "You will need to have your sodium level monitored."
D) "If you skip a dose, make sure you double the dose the next day."