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. (This will add your location, just below your name, every time you post a message.
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I understand that you have not received a good medical work-up from a skilled doc to establish that you do, in fact, have Cluster.
This is the essential first step for there are many disorders which mimic Cluster but which are not headache disorders.
ERs are the worst place to get a good Dx; most of the GPs we see have meager training re. complex headache dissorders.
So, fishing around here to find a treatment is premature.
If it's Cluster, you'll be living with it for many years and so it's wise to, if at all possible, find a headache specialist both for a good Dx and long term treatment.
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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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WHY A HEADACHE SPECIALIST IS RECOMMENDED
Headache. 2012 Jan;52(1):99-113.
Cluster headache in the United States of America: demographics, clinical characteristics, triggers, suicidality, and personal burden.
Rozen TD, Fishman RS.
THERE REMAINS A SIGNIFICANT DIAGNOSTIC DELAY FOR CLUSTER HEADACHE PATIENTS ON AVERAGE 5+ YEARS WITH ONLY 21% RECEIVING A CORRECT DIAGNOSIS AT TIME OF INITIAL PRESENTATION.
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Your desire to avoid medications/drugs is a barrier to using the most effective treatments we have. The issue is learning how to use meds in an intelligent, controlled way.
Oxygen, for example, is effective in aborting an attack. BUT is has a short effective time. What we want is a med which prevents attacks used along with a med which aborts, quicklyl, attacks which sneak thru. See the PD fle, below, for some basic info.
Bottom line: know what you are dealing with before you start making decisions about what treatment you are willing to use. Diagnosis before Rx.