Headache of greater than three months’ duration caused by whiplash.
A. Any headache fulfilling criteria C and D
B. Whiplash1, associated at the time with neck pain and/or headache, has occurred
C. Headache has developed within 7 days after the whiplash
D. Headache persists for >3 months after the whiplash
E. Not better accounted for by another ICHD-3 diagnosis.
1. Whiplash is defined as sudden and inadequately restrained acceleration/deceleration movements of the head with flexion/extension of the neck. Whiplash may occur after either high or low impact forces.
When post-whiplash headache becomes persistent, the possibility of 8.2 Medication-overuse headache needs to be considered.