Classification of headache

The Primary Headaches

 * 1) Migraine
 * 2) Tension-type headache
 * 3) Cluster headache and other trigeminal autonomic cephalalgias
 * 4) Other primary headaches

The Secondary Headaches

 * 1) Headache attributed to head and/or neck trauma
 * 2) Headache attributed to cranial or cervical vascular disorder
 * 3) Headache attributed to non-vascular intracranial disorder
 * 4) Headache attributed to a substance or its withdrawal
 * 5) Headache attributed to infection
 * 6) Headache attributed to disorder of homeostasis
 * 7) Headache or facial pain attributed to disorder of cranium, neck, eyes, ears, nose, sinuses, teeth, mouth or other facial or cranial structures
 * 8) Headache attributed to psychiatric disorder

Cranial Neuralgias, Central and Primary Facial Pain, other Headaches

 * 1) Cranial neuralgias and central causes of facial pain
 * 2) Other headache, cranial neuralgia, central or primary facial pain