ICHD-II Diagnostic Criteria for Headache Attributed to Head and/or Neck Trauma

Acute post-traumatic headache attributed to moderate or severe head injury

A. Headache, no typical characteristics known, fulfilling criteria C and D

B. Head trauma with at least one of the following:

1. Loss of consciousness for >30 minutes
2. Glasgow Coma Scale (GCS) <13
3. Post-traumatic amnesia for >48 hours
4. Imaging demonstration of a traumatic brain lesion (cerebral haematoma, intracerebral and/or subarachnoid haemorrhage, brain contusion and/or skull fracture)

C. Headache develops within 7 days after head trauma or after regaining consciousness following head trauma

D. One or other of the following:

1. Headache resolves within 3 months after head trauma
2. Headache persists but 3 months have not yet passed since head trauma

Chronic post-traumatic headache attributed to moderate or severe head injury

A. Headache, no typical characteristics known, fulfilling criteria C-D

B. Head trauma with at least 1 of the following:

1. Loss of consciousness for >30 minutes
2. Glasgow Coma Scale (GCS) <13
3. Post-traumatic amnesia for >48 hours
4. Imaging demonstration of a traumatic brain lesion (cerebral haematoma, intracerebral/subarachnoid haemorrhage, brain contusion, skull fracture)

C. Headache develops within 7 days after head trauma or after regaining consciousness following head trauma

D. Headache persists for >3 months after head trauma