The Physician Orders Amantadine (Symmetrel) for a Client with Influenza

The physician orders amantadine (Symmetrel) for a client with influenza. Which part of the client's health history would the nurse report to the physician prior to administering amantadine (Symmetrel) ?

A) allergy to shellfish
B) diabetes mellitus
C) epilepsy
D) chronic obstructive pulmonary disease (COPD) .