72) A 25-year-old male patient presents to the emergency department with report of an extremely severe, unilateral, burning pain located behind the eyes. The patient denies any nausea, vomiting, aura, or chills. Some alternative therapies used by the patient to treat the pain include vitamin D, elemental calcium, riboflavin (vitamin B), acupuncture, relaxation, massage, and osteopathic manipulation. Which type of headache does this most closely resemble in this patient?
a. tension headache
b. common headache
c. cluster headache
d. classic migraine

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