Home Introduction Prefaces Introduction to the classification How to Use This Classification Subcommittees and working groups The Classification Table of contents Part I: The primary headaches Part II: The secondary headaches Part III: Cranial neuralgias, facial pain and other headaches Appendix Definition of Terms

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The International Headache Society (IHS) is the world's membership organisation for all whose professional commitment, whatever their discipline, is to helping people whose lives are affected by headache disorders.Visit the IHS website

A1. MigraineA2. Tension-type headacheA3. Cluster headache and other trigeminal autonomic cephalalgiasA6. Headache attributed to cranial or cervical vascular disorderA7. Headache attributed to non-vascular intracranial disorderA8. Headache attributed to a substance or its withdrawalA9. Headache attributed to infectionA10. Headache attributed to disorder of homoeostasisA11. Headache or facial pain attributed to disorder of cranium, neck, eyes, ears, nose, sinuses, teeth, mouth or other facial or cranial structuresA12. Headache attributed to psychiatric disorderA12.3. Headache attributed to major depressive disorderA12.4. Headache attributed to panic disorderA12.5. Headache attributed to generalised anxiety disorderA12.6. Headache attributed to undifferentiated somatoform disorderA12.7. Headache attributed to social phobiaA12.8. Headache attributed to separation anxiety disorderA12.9. Headache attributed to post-traumatic stress disorderA13. Cranial neuralgias and central causes of facial pain

Diagnostic criteria:

Headache, no typical characteristics known, fulfilling criteria C-E
Presence of generalised anxiety disorder fulfilling DSM-IV criteria:
1. excessive anxiety and worry, occurring on more days than not for at least 6 months, about a number of events or activities and which the patient finds difficult to control
2. associated with at least three of the following:
  - restlessness or feeling keyed-up or on edge
  - being easily fatigued
  - difficulty concentrating or mind going blank
  - irritability
  - muscle tension
  - sleep disturbance
3. not occurring exclusively during a mood disorder
4. not due to the direct physiological effects of a medical condition or substance
Headache occurs exclusively during the course of the generalised anxiety disorder
Headache resolves, and does not recur, after the generalised anxiety disorder remits
Headache is not attributed to another cause

Sitemap

Consult the Sitemap to learn more about the structure of the classification and its main chapters.

IHS vs. ICD-10

To facilitate headache diagnosis in daily practice, the classification provides the corresponding WHO ICD-10NA codes for each IHS code.

IHS Subcommittee

The Classification Subcommittee prepares and revises the International Classification of Headache Disorders.

Downloads

Extend your electronic library with important IHS publications. All documents may be downloaded free of charge.

Cephalalgia

Cephalalgia is the official journal of the IHS. It contains original papers on all aspects of headache. The journal provides an international forum for original research papers, review articles and short communications.www.cephalalgia.org

IHS Discussion Group

Ask questions and share information about the 2nd edition of the Headache Classification in one of our peer-to-peer forums. To the Discussion Group

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