<< Management Strategies For Acute Headache In The Emergency Department

Classification Of Headaches

Prior to 1988, there were no formally recognized headache classification systems; “headache was largely regulated to the domain of psychiatric and social maladies.”¹⁸ In response, the International Headache Society (IHS) was formed and created a comprehensive, objective classification system for headache disorders, known as the International Classification of Headache Disorders (ICHD), with a subsequent revision to this guide occurring in 2004, the ICHD-2.⁹ The ICHD-2 is currently the accepted standard diagnostic criteria for headaches as well as the benchmark for classification in headache research.

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