A patient reports excruciating headache pain on one side of his head, especially around his eye, forehead, and cheek that has lasted approximately to 2 hours, occurring once or twice each day. What should the nurse suspect?

A) Hypertension
B) Cluster headaches
C) Tension headaches
D) Migraine headaches

Cluster headaches produce pain around the eye, temple, forehead, and cheek and are unilateral and always on the same side of the head. They are excruciating and occur once or twice per day and last to 2 hours each. Although hypertension may cause headaches, the blood pressure needs to be severely elevated and would likely not occur once or twice a day and last for to 2 hours. Tension headaches are occipital, frontal, or with bandlike tightness. Migraine headaches are supraorbital, retro-orbital, or frontotemporal.