A Client Is Being Switched from Abortive Therapy for Migraines

A client is being switched from abortive therapy for migraines to preventive therapy.The client asks the nurse to explain the difference between the two types of therapy.What is the nurse's best response?

A) Preventive therapy will allow you to get pregnant while on medication."
B) Preventive therapy will help you have less pain with each headache."
C) Preventive therapy will help prevent headaches,rather than treating them when you get them."
D) Preventive therapy will prevent drug side effects,which are worse with abortive therapy."