The International Classification of Headache Disorders (ICHD) is a compendium of all headache-related disorders published by the International Headache Society. It is considered the official classification of headaches by the World Health Organization using explicit diagnostic criteria that are based on clinical and laboratory observations. ICHD classifies PTH as a headache attributed to trauma to the head and/or neck. There are a few criteria specifiers but the main clinical message is that there are no specific features that can help distinguish a headache due to trauma from one that is not related to trauma. A headache can also develop for other reasons (other than mTBI) in the context of having had a post-traumatic head injury. Most PTHs resemble tension-type headaches (TTH) or migraines and so are actually just managed as such. So what is the point of highlighting that the headache – whether it be TTH or Migraine or another type – is associated with trauma if it doesn’t help in clinical management decisions?
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