After Undergoing Dural Puncture While Receiving Epidural Pain Medication, a Patient

After undergoing dural puncture while receiving epidural pain medication, a patient reports a headache. Which action can help alleviate the patient's pain?

A) Suggest the client ambulate to promote flow of spinal fluid.
B) Offer caffeinated beverages to constrict blood vessels in the head.
C) Encourage coughing and deep breathing to increase intracranial pressure.
D) Restrict oral fluid intake to prevent excess spinal pressure.