Hi. Sending this via PM and also publicly on the thread you started on the message board as backup to ensure you get this info.
Sorry to read the Beast has gotten a hold of you. It will get easier, keep that in mind. the more knowledge you have, the easier you will cope. Family and friends will not understand, just ask they are supportive. I've been suffering since age 11 as an episodic sufferer and am now 48 yrs old, and consider myself an expert patient as I have learned over the years trial and error and have gained all my knowledge from this website since joining in 1999. By no means do I know everything, but I have enough knowledge that I can confidently share this advice to follow...
Good to read you have been intact with Batch who is a personal friend of mine that I have met several times in person and trust his vitamin regimen as do hundreds of other CH sufferers.
You mention Topomax and reluctance to try. Topomox is a good preventative med when prescribed accordingly that works for some that swear by it moreso than other Preventative treatments such as the most common, Verpapamil. Be aware of side effects as you may not think clearly all the time.
Prednisone taper is a great short cut to relief but often when discontinued comes back with a vengeance. Is it worth it to take Pred? to each their own? Risk vs Reward!
Verapamil at high doses, the high doses that often require an EKG above 480mg daily, is something that has reported to work for most reducing the frequency of attacks and intensity of each attack.
O2 with a NON-rebreather mask at flow rates of at least 25 lpm hyperventilating the o2 is the best, safest, least expensive abort. tough to carry around 02 all day but people do it with smaller containers. I recommend a mumbo jumbo bottle to keep at home to avoid less hassle of refills at welder supply store. If no prescription available, do what I and many others do is buy welders o2, just don't tell them it's fro breathing. It is safe and the same exact 2 they weld buildings. If it was not safe those building would be crashing to the ground.
The NON rebreather mask can be obtained from the CH.com store (tab left side of your screen and have it shipped next day) and the regulator can be purchased at a place like Harbor Freight Tools. O2 bottle, bigger the better, can be purchased at most welder supply stores. You probably have been advised on all this, but there's some ammo for thought.
As for doctors in Indiana...I am originally from MI and lived downtown Chgo my college years, and recently visited Indianapolis to have lunch at Aristocrat, and of course I admire VP Mike Pence, so I have a heart here for you that I normally would not take the time...
...about 3 years ago I compiled a nationwide extensive research study contacting every CH sufferer on this website, about 8,000 or 9,000 emails....asking those afflicted by CH's if they have a doctor near where they live if they could recommend...the following are doctors in the Indiana area you may consider contacting, all of them were recommended from CH sufferers from this website, the location where they last were known to have worked,,,,keep in mind some may have retired, moved locations, etc but this is as good as it gets...feel free to keep in contact, I am willing and able to help.
-Gregg in Las Vegas
Indiana-Evansville - Dr. Roderick Warren/St. Mary's Hospital
Indy- Dr. Robert Alonso/IU Health Physicians Neurology
Jeffersonville - Dr. Michael G. Cassaro
Merrillville - Dr. Kathryn A Hanlon/Northern Indiana Neurological
Merrillville - Dr. Larry Salberg/Northern Indiana Neurological
Munster - Dr. Sanjeen Maniar
New Albany - Dr. Joseph F. Seipel
END OF MY INDIANA LIST
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Depending which way you ant to travel from Indiana, I have doctors I can recommend from the same research study located in nearby states of Illinois Michigan, Kentucky, Ohio, and W. Virginia.
For starters, go get O2, and stock up on some Red Bull energy drinks and slam on as fast as possible at onset of attack, it has been known to help abort, certainly relieve intensity.
Don't be shy to ask questions. Absolutely no shame. We all here on this site understand what you are going through. You may feel alone, and me be alone at the moment within your home, but you have an army of sufferers that are very willing to help you get through this and become knowledgeable to deal with this. I do not check the message boards more than every couple months as I have not been in cycle in many years, but if you PM, which you did, I will get it via email and can usually respond within a day or so. Hang in there. This will get easier.

-Gregg in Las Vegas