Headache

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Classification

The International Classification of Headache Disorders (ICHD) is an in-depth hierarchical classification of headaches published by the International Headache Society. It contains explicit (operational) diagnostic criteria for headache disorders. The first version of the classification, ICHD-1, was published in 1988. The current revision, ICHD-2, was published in 2004.

Primary Headaches

• Migraine
• Tension-type headache
• Cluster headache and other trigeminal autonomic cephalalgias
• Other primary headaches
  

Secondary Headaches

• Headache attributed to head and/or neck trauma
• Headache attributed to cranial or cervical vascular disorder
• Headache attributed to non-vascular intracranial disorder
• Headache attributed to a substance or its withdrawal
• Headache attributed to infection
• Headache attributed to disorder of homoeostasis
• Headache or facial pain attributed to disorder of cranium, neck, eyes, ears, nose, sinuses, teeth, mouth or other facial or cranial structures
• Headache attributed to psychiatric disorder
  

Cranial Neuralgias Central and Primary Facial Pain and Other Headaches

• Cranial neuralgias and central causes of facial pain
• Other headache, cranial neuralgia, central or primary facial pain
  

Key Evidence

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Resources

The International Headache Classification (ICHD-2)

Recent Related Research (from Pubmed)

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