National Headache Foundation  
   Information on headache causes and treatments, a support group list, a state list of NHF physician members (on request) and a quarterly newsletter.
   http://www.headaches.org

American Council for Headache Education  
   ACHE is a national non-profit patient/physician partnership providing support for sufferers of chronic headache while working to educate the public.
   http://www.achenet.org/

Headache Stop  
   Offering non surgical TMJ (Tempro Mandibular Joint Syndrome) of the jaw treatment for migraine headaches and headache pain relief.
   http://www.headachestop.com/

Excedrin Headache Resource Center  
   The Excedrin Headache Resource Center has information, advice, and Excedrin product information to help you manage headaches and migraines.
   http://www.excedrin.com/

The Electronic Headache Support Group  
   Offers insights from neurologists and nurses who treat headache disorders, many of whom are headache sufferers.
   http://www.medsupport.com/survival/

The International Headache Society  
   Site contains a wealth of information for anyone interested in the diagnosis and treatment of headache. The IHS sets the clinical standards for diagnostic criteria and drug trials used by headache specialists around the world.
   http://www.i-h-s.org/

Headaches  
   Created by the McKinley Health Center at the University of Illinois. Provides basic information on various types of headaches.
   http://www.uiuc.edu/departments/mckinley/health-info/dis-cond/headache/heada.html

Headaches, Types & Treatment  
   Extracted from: 'Not Another Headache' Handbook
   http://www.nevdgp.org.au/geninf/std_misc/headaches_types.htm

Emergency Treatment of the Headache Patient  
   A guide for physicians and health care professionals written by Merle L. Diamond, M.D., Associate Director, Diamond Headache Clinic - Internal Medicine Department, Columbus Hospital, Chicago, Illinois.
   http://www.usdoctor.com/sym2.htm

HealthCentral: Headaches and Migraines  
   Provides searchable, detailed information on types of headaches, treatments, drugs, headache-related news, and links.
   http://www.healthcentral.com/Centers/OneCenter.cfm?Center=Migraines

Headache and Migraine Information  
   Written by independent healthcare experts; includes a locality directory for nearest practices.
   http://www.headache.com.au

Headache.net  
   In-depth articles and streaming Webcasts featuring leading headache experts.
   http://www.headache.net

Headache Index Page  
   Links to research papers on headache and other online resources.
   http://neuroland.com/ha/

Headache Institute at St. Luke's-Roosevelt Hospital Center  
   Offers general information on headache, as well as information on specific treatment programs.
   http://www.wehealny.org/headache/index.html

Ask NOAH: About Headache  
   Definition, care and treatment information and related conditions are offered by NOAH.
   http://www.noah-health.org

About Headaches/Migraines  
   Includes articles, links, forum and open chat room.
   http://headaches.about.com

Migraine Health Center - DrDonnica.com  
   Includes articles, myths, FAQs, press releases and links to other resources.
   http://www.drdonnica.com/display.asp?article=67

Headache Impact Test  
   Interactive questionnaire for analyzing the lifestyle impact of headaches.
   http://www.headachetest.com

Robbins Headache Clinic  
   News and information on headaches and treatments.
   http://www.headachedrugs.com/

New York Headache Center  
   Site offers general information on headache, as well as specific therapies offered at this facility, such as botox injections, acupuncture, magnesium infusion, feverfew, riboflavin, butterbur, oral appliances and other alternative or experimental therapie
   http://www.nyheadache.com

Headache Care Network  
   Information about headache treatments and prevention and a physician finder.
   http://www.headachecare.com

Head Talk  
   Headache and migraine information. Features a headache screener, diary, and customized information on the disease and treatment options.
   http://www.headtalk.com

Life Beyond Headaches  
   Natural health specialist, author, and doctor of chiropractic offers information on non-drug treatments for chronic headache.
   http://www.beyondheadaches.com

The Neurology Channel Headache Information Page  
   A brief overview of the symptoms, diagnosis and treatment of headache with links to pages on specific headaxche types.
   http://www.neurologychannel.com/headache/

Headache During Sex May Be Serious  
   Doctors respond to letter describing intense headache after sex.
   http://www.drdaveanddee.com/headache.html

Self-Help for Headaches  
   Common causes of chronic headaches and a simple voice therapy by streaming audio or telephone. All free.
   http://www.psychresearch.com/headache.html

AHS: American Headache Society  
   A professional society of health care providers dedicated to the study and treatment of headache and face pain. AHS brings together physicians and other health providers from various fields and specialties to share concepts and developments about headache
   http://www.ahsnet.org/

Houston Headache Clinic  
   Includes information about the clinic, headaches, links and contact details.
   http://www.houstonheadacheclinic.com

World Headache Alliance  
   News, information and support for headache sufferers. Lots of original content.
   http://www.w-h-a.org/wha/index.asp

NTI - Tension Suppression System  
   The only non-drug therapy to receive FDA approval for the treatment of migraine, the Tension Suppression System has also brought relief to many patients with chronic tension-type headache. Run by the dentist who invented it and includes information on its
   http://www.nti-tss.com/

NYHeadacheDoctor  
   Provides information on headaches and facial pain. Includes a symptom check list, danger signs, treatments, women's issues and childhood headaches.
   http://www.nyheadachedoctor.com

TMJWeb  
   Information on headaches and temporomandibular disorders for patients and doctors.
   http://www.tmjweb.com/

The 6 Kinds of Headaches  
   Redbook looks at causes and treatments for different types of headaches.
   http://magazines.ivillage.com/redbook/dh/health/articles/0,12840,284480_288440,00.html

InteliHealth: Headache  
   InteliHealth - Featuring Harvard Medical School's consumer health information. Comprehensive resource that offers headache news, feature articles, general information and links to other resources.
   http://www.intelihealth.com/IH/ihtIH/WSIHW000/20933/20933.html

National Institute of Neurological Disorders and Stroke - Headache Information  
   Federal government's research programs on chronic headaches. Site includes several online publications about headache.
   http://www.ninds.nih.gov/health_and_medical/disorders/headache.htm

Head and Neck Pain Centers of Minnesota  
   A comprehensive, multispecialty center of excellence in the diagnosis and management of migraine and all head pain disorders. Staffed by exceptional, board certified physicians and a caring medical staff. Located in Maplewood, Minn.
   http://minnesotaheadache.neurohub.net/

Ask Cleveland Clinic Neurology: Med Help Neurology & Neurosurgery Forum  
   Ask doctors at The Cleveland Clinic a question about headaches and receive an answer free of charge. Forum offers medical advice about the latest treatment options and information on all aspects of the disease.
   http://www.medhelp.org/forums/Neuro/

DrKoop.com: Medical Encyclopedia: Headache  
   Resources and information on migraines headaches and summer headaches.
   http://www.drkoop.com/ency/article/003024.htm

WebMD Health on Migraines  
   A consumer health site for headaches.
   http://my.webmd.com/medical_information/condition_centers/migraines/default.htm

Manage Your Headache  
   Help about headaches, do and don’t for migraine, migraines and women and children.
   http://www.manageyourheadache.com/

Help for Headaches and Migraine  
   Comprehensive site providing news, educational, support, and advocacy resources for those with headache disorders and Migraine disease.
   http://helpforheadaches.com

Family Healthsite  
   Discover the different types of headaches from tension to migraine, and learn how to prevent them. Provides the latest news on these disorders along with a quiz to gauge your understanding of them.
   http://www.healthatoz.com/healthatoz/Atoz/dc/caz/neur/hach/hach_gen_ovw.jsp

Headache Cybertext  
   Comprehensive cybertext covering the diagnosis and treatment of different types of headaches and migraines.
   http://www.upstate.edu/neurology/haas/

All Info about Chronic Pain, Headache, and Migraine  
   Information, support and advocacy for those with chronic pain, headaches, and Migraines and for those who care about them.
   http://headaches.allinfoabout.com

Complete Natural Healing  
   Natural ways to prevent and cure all kinds of headaches, migraine and sinus.
   http://headaches.completenaturalhealing.com

Discovery Health - Headache Center  
   Offers tips for becoming headache-free, treatments for migraines, tension and cluster headaches, a quiz, and a timeline of headache treatments through the ages.
   http://health.discovery.com/centers/headaches/headaches.html

Dr.Rao  
   Defines headaches, and the different types such as tension, and magraine. Includes the causes, symptoms and treatment of each.
   http://www.drraomd.com/encyclopedia/disease/headache.htm

eMedicine Health - Worst Headache of Your Life  
   Consumer health resource center providing information on the causes, symptoms, and treatment of headaches.
   http://www.emedicinehealth.com/articles/9452-1.asp

NINDS - SUNCT Headache Information Page  
   Information sheet about Short-lasting, Unilateral, Neuralgiform headache attacks with Conjunctival injection and Tearing. Compiled by National Institute of Neurological Disorders and Stroke.
   http://www.ninds.nih.gov/disorders/sunct/sunct.htm

New Hope for Headache Sufferers  
   How to recognize, prevent, and treat a largely unsuspected cause of headaches--adverse conditions in the gastrointestinal tract.
   http://www.webspawner.com/users/newhopeforheadaches/

Burnsurvivorsttw.org - Types of Headache  
   An article on the types of headaches and when to seek medical attention.
   http://www.burnsurvivorsttw.org/articles/headaches.html