39. A 29-year-old male complains of a severe headache and na…

39. A 29-year-old male complains of a severe headache and nausea that has gradually worsened over the past 12 hours. He is conscious, alert, and oriented and tells you that his physician diagnosed him with migraine headaches. He further tells you that he has taken numerous different medications, but none of them seems to help. His blood pressure is 132/74 mm Hg, his pulse is 110 beats/min and strong, and his respirations are 20 breaths/min. Treatment should include: