Patients with headaches are common in the ED. The most important job as emergency clinicians is to rule out dangerous secondary causes of headache. While criteria exist to diagnose specific primary headache disorders, they do not perform well in the emergency setting and carry the risk of mislabeling a patient with a chronic headache disorder. Once the diagnosis of primary headache has been established, the goal of the emergency clinician is to provide safe and effective medication for pain.
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