Migraine and chronic daily headache may be risk factors for the development of complex regional pain syndrome, according to the results of a study led by B. Lee Peterlin, DO, assistant professor of neurology, Drexel University College of Medicine in Philadelphia.

Results of a large survey show that many patients with cluster headaches (CH) are not receiving treatment with acute and preventive therapies.

The risk of ischemic stroke may be twice as high in patients who experience migraine with aura as in those who have migraine without aura, according to results of a systematic review and meta-analysis.

Results of a landmark study showed that onabotulinumtoxinA effectively reduced headache symptoms, episodes, disability, and health-related quality of life in patients with chronic migraine.

Patients with migraine are more likely than nonmigraineurs to experience cardiovascular events, according to recent results of the American Migraine Prevalence and Prevention Study.

Patients with migraine accompanied by depression or anxiety disorders had greater improvements in headache-related disability than those without a psychiatric disorder, according to results of the Treatment of Severe Migraine trial.

About 20% of soldiers returning from Iraq and Afghanistan who have a history of concussion or blast exposure experience chronic daily headache, according to a results of study presented at the 14th annual International Headache Congress in Philadelphia.

Tonabersat is effective in the prophylaxis of aura in patients with migraine, according to a recent study led by Jes Olesen, MD, a professor of neurology at the Danish Headache Center at Glostrup Hospital, University of Copenhagen, Glostrup, Denmark.

Patients with migraine are more likely than nonmigraineurs to have temporomandibular disorder (TMD). According to the results of a new study presented at the 14th annual International Headache Conference in Philadelphia, TMD may also be associated with increased headache frequency.