The Nurse Is Instructing a Patient About the Use of Her

The nurse is instructing a patient about the use of her oral antimigraine agent.The instruction should include the best effective action of the drug.Which represents the best way to take this agent?

A) Take the medication at the onset of an attack.
B) This medication should be taken 30 minutes after the onset of the migraine.
C) Take the medication routinely every night.
D) Take the medication 30 minutes before meals.