ClusterHeadaches.com

– Support site devoted to those who suffer from cluster headaches

Cluster Headaches – Symptoms, Treatment and Prevention

– In-depth discussion with links to other resources.

Cluster Headache Help

– Provides links to health, research, government, news, and personal sites related to living with this ailment. Some of the information is dated, but this is still a good resource.

Cluster Headache

– Consumer health resource center providing information on the causes, symptoms, and treatment. From eMedicine Health.

Cluster Busters

– International organization dedicated to researching and promoting the treatment of cluster headaches with hallucinogenic substances.

Organization for Understanding Cluster Headaches

– Information about OUCH and its activities. Includes a quiz, medical information, comparison table and the International Headache Society diagnostic criteria.

FamilyDoctor.org – Cluster Headaches

– Information about cluster headaches from the American Academy of Family Physicians.

Wikipedia – Cluster Headache

– Excellent resource with detailed information about symptoms and treatments.

eMedicine – Cluster Headache

– Highly technical discussion of causes and treatments for health care professionals.

eMedicine Health – Cluster Headache FAQs

– Consumer health resource with FAQs relating to these headaches characterized by short-lived attacks of sudden, severe pain around one of the eyes.