• AHS: American Headache Society A professional society of health care providers dedicated to the study and treatment of headache and face pain.

• 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.

• Ask NOAH: About Headache Definition, care and treatment information and related conditions are offered by NOAH.

• Excedrin Headache Resource Center The Excedrin Headache Resource Center has information, advice, and Excedrin product information to help you manage headaches and migraines.

• Head Talk Headache and migraine information. Features a headache screener, diary, and customized information on the disease and treatment options.

• Headache and Migraine Information Written by independent healthcare experts; includes a locality directory for nearest practices.

• Headache Care Network Information about headache treatments and prevention and a physician finder.

• Headache Impact Test Interactive questionnaire for analyzing the lifestyle impact of headaches.

• Headache Stop Offering non surgical TMJ (Tempro Mandibular Joint Syndrome) of the jaw treatment for migraine headaches and headache pain relief.

• Headache.net In-depth articles and streaming Webcasts featuring leading headache experts.

• Houston Headache Clinic Includes information about the clinic, headaches, links and contact details.

• Life Beyond Headaches Natural health specialist, author, and doctor of chiropractic offers information on non-drug treatments for chronic headache.

• 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.

• 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 therapies.

• 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.

• NYHeadacheDoctor Provides information on headaches and facial pain. Includes a symptom check list, danger signs, treatments, women's issues and childhood headaches.

• Painful headaches and headache symptoms can be eliminated Headaches and headache symptoms relief with our chiropractor-recommended headache relieving home treatment. Stop headaches now.

• Robbins Headache Clinic News and information on headaches and treatments.

• The International Headache Society Site contains a wealth of information for anyone interested in the diagnosis and treatment of headache.