Hey Kevin,
As your wife is having a high frequency of CH/day it's very likely she's experiencing a CGRP cascade. Have her start a week to 10 day course of a first-generation anithistamine like Benadryl (Diphenhydramine HCL) at 25 mg every 4 hours during the day and at bedtime. Make sure she doesn't drive as this much Diphenhydramine will make her drowsy. Have her continue the vitamin D3 loading schedule at 50,000 IU/day, double the magnesium to 800 mg/day and bump the Omega-3 fish oil to 4000 mg/day while loading. Above all, make sure she's drinking at least 2.5 liters of water a day. Soda and coffee don't count.
The rationale for the first-generation antihistamine is she is likely experiencing an allergic reaction to either airborne or food borne allergens. These allergic reactions are frequently subclinical with no outward or obvious symptoms, but the allergic reaction is still there causing mast cells to degranulate (dump) histmine into surrounding tissues and bloodstream.
Histamine triggers neurons within the trigeminal ganglia to express calcitonin gene-related peptide (CGRP), the nasty neuropeptide responsible for the neurogenic inflamation and the terrible pain we know as CH. It gets worse. The CGRP in turn triggers mast cells to dump even more histamine. This becomes a brutal, circular chemical chain reaction called a CGRP cascade characterized by a high frequency of CH >4/day and frequently up around 8 to 10/day-night. This CGRP cascade continues until one or more of the reactants are consumed at which point the chain reaction stops and so does the CH... for now... Unfortunately, the body recharges mast cells and neurons with the nutrients to synthesize more histamine and CGRP. This process takes roughly an hour. After that, the CH beast is ready to jump ugly and frequently does.
The Diphenhydramine crosses the blood brain barrier (BBB) from the bloodstream into the brain where it enters neurons within the brain to block histamine H1 receptors at the genetic layer. Blocking these histamine H1 receptors interrupts the circular chemical chain reaction, stops the CGRP cascade and this allows vitamin D3 to further down-regulate the expression of CGRP.
Food borne allergens are actually very common. The best way to find out if this is the case is to start the Atkins-Ketogenic diet. There are several recent studies that have found the Atkins-Ketogenic diet is an effective migraine and cluster headache preventative.
This diet is actually very easy. Start it with a 24-hour fast drinking only water and taking the anti-inflammatory supplements. When the fast is over, it's zero sugar (no fruit juices), zero wheat products (Bread, pasta, cookies, crackers or pizza). Avoid grain oils like Canola and Corn Oil. Good oils/fats include organic butter, extra virgin olive oil, avocado oil and my favorite, extra virgin coconut oil.
Your wife can eat all the free range organic meats, poultry, eggs and cheese she wants. A serving or two of wild caught fish a week is great. She can even eat at Mickey D's if she orders her Big Mac with no bun or fries and drinks water (I do this when I need a Big Mac fix). She can eat all the organic Non GMO green and colored veggies she wants, but should avoid high starch veggies and fruits like potatoes and bananas. Limit fruits during the first month to a handful a day of dark berries like blackberries, blueberries, raspberries and dark grapes. Again make sure she's drinking at least 2.5 liters of water a day.
The following chart illustrates responses by day of CHers starting the anti-inflammatory regimen.
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Other things to add if there's no response after a few days on the Benadryl include, 300 mg/day CoQ10, 1000 mg/day Turmeric (Curcumin).
Now is also a good time for your wife to see her PCP/GP for lab tests of her serum 25(OH)D, calcium and PTH.
Take care and please keep us posted.
V/R, Batch