The Client Has Been Ordered Treatment with Aralen

The client has been ordered treatment with Aralen. The nurse notes that the client's blood pressure has decreased from 130/80 to 104/60. What is the nurse's highest priority action?

A) Recognize that this is an expected side effect of the medication and monitor the client.
B) Call the physician; the client is experiencing an adverse reaction to the medication.
C) Recognize that this is a reaction to the dosage of the medication; call the pharmacist.
D) Call the physician; client is experiencing a life-threatening reaction to the medication.