Chronic migraine and cervical dystonia

Neck pain with cervical muscle tension is common in patients with chronic migraine (CM). These symptoms seem to share common features with cervical dystonia (CD), which is characterised by abnormal neck muscle contractions in the neck affecting head posture. Migraine and cervical dystonia can co-exist, but their link is little-known. This research project was designed to explore the link between chronic migraine and cervical dystonia. It composes two parts: part one of the project is a comprehensive review of literature, and part two is an observational study to investigate disease prevalence.