Please: It will help us to direct you to good sources of assistance if you will tell us where you live (city & state, if U.S. or country). At the Home page: Help button-->Edit & Profile --> Location.
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Your doc is probably correct but her Rx response clearly says she lacks training/experience. Not that she isn't a good doc but most receive meager education in complex headache disorders.
Cluster is a complex disorder and many conditons can mimic it. IF at all possible, work with a headache specialist becasue, if Cluster, this will be a very long term coindition for you to manage. Can't cured--but, generally, can be well controlled--if you have the correct diagnosis and skilled hand guiding treatment.
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DON'T use pain meds! They don't work on Cluster and regular use will increase frequency and intensity of attacks.
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First, need a confirming diagnosis;
LOCATING HEADACHE SPECIALIST
1. Yellow Pages phone book: look for "Headache Clinics" in the M.D. section and look under "neurologist" where some docs will list speciality areas of practice.
2. Call your hospital/medical center. They often have an office to assist in finding a physician. You may have to ask for the social worker/patient advocate.
3. Multimedia File Viewing and Clickable Links are available for Registered Members only!! You need to

or

On-line screen to find a physician.
4. Multimedia File Viewing and Clickable Links are available for Registered Members only!! You need to

or

Look for "Physician Finder" search box. They will send a list of M.D.s for your state.I suggest using this source for several reasons: first, we have read several messages from people who, even seeing neurologists, are unhappy with the quality of care and ATTITUDES they have encountered; second, the clinical director of the Jefferson (Philadelphia) Headache Clinic said, in late 1999, that upwards of 40%+ of U.S. doctors have poor training in treating headache and/or hold attitudes about headache ("hysterical female disorder") which block them from sympathetic and effective work with the patient; third, it's necessary to find a doctor who has experience, skill, and a set of attitudes which give hope of success. This is the best method I know of to find such a physician.
5. Multimedia File Viewing and Clickable Links are available for Registered Members only!! You need to

or

NEW certification program for "Headache Medicine" by the United Council for Neurologic Subspecialties, an independent, non-profit, professional medical organization.
Since this is a new program, the initial listing is limited and so it should be checked each time you have an interest in locating a headache doctor.
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Start reading here for basic learning; lots of deep experience to share. Explore the buttons, left of this page.
Print the PDF file, below. Introduces the most commonly used meds for Cluster and a good tool to use to discuss treatment options with any doc you see.
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Don't get into self-diagnosis and self-treatment until you have confirmed the diagnosis. Far too many cases of mis-diagnosis and, therefore, wrong treatment without skilled docs in your camp.