Thirty-eight patients with late whiplash syndrome were investigated wi
th regard to symptoms which conform with the criteria for other specif
ic diagnoses. All had pain and tender points in the neck and 37 (97.4%
) suffered from headache. Seven patients (18.4%) had occipital neuralg
ia in accordance with the IHS criteria and 16 (42.1%) if the IASP crit
eria were used. Four patients (10.5%) had oromandibular dysfunction, 2
0 (52.6%) had periarticular shoulder disorder, and 12 (31.6%) had thor
acic outlet syndrome. Five (13.2%) had chronic mechanical low back pai
n and two (5.3%) segmental instability of the lumbar spine. Four (10.5
%) had symptoms concurring with the diagnosis of fibromyalgia. It is c
oncluded that many of the symptoms of patients that suffer from late w
hiplash syndrome conform with the criteria of other specific diagnoses
.