Two Hours After an Epidural Infusion Has Begun,a Client Complains

Two hours after an epidural infusion has begun,a client complains of itching on the face and neck.The nurse should:

A) Remove the epidural catheter and place a Band-Aid at the injection site.
B) Offer the client a cool cloth and let her know the itching is temporary.
C) Recognize that this is a common side effect,and follow protocol for administration of diphenhydramine (Benadryl) .
D) Call the anesthesia care provider to re-dose the epidural catheter.