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Curious about verapamil (Read 978 times)
nolagirl
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Curious about verapamil
Oct 2nd, 2013 at 12:08pm
 
Hi all,
I can't believe this forum actually exists! I'm so excited to have found you.

A little background info: I've had CH cycles since 2001. Always in the fall, lasts about two months. I was misdiagnosed when I first started having them. I was told they were migraines, given a prescription of percocet (which I wouldn't take), and sent home.
Two years ago, I met my absolutely wonderful husband, who happens to be a fantastic doctor. When my cycle started and I explained my symptoms to him, he immediately said they were clusters, hooked my up to oxygen, gave me an imitrex injection, and blam-- I found some relief!

We've been experimenting with various treatments to try to bust the cycle. Last time I did a couple of steroid injections and a round of oral steroids, and the cycle was shortened, but not by much. He has suggested we try verapamil (which I used to sell so I'm pretty familiar with side effects, etc.), but I'm very active and am concerned about taking it.

So, my question is this: has anyone had any success taking it episodically to bust a cycle?

My cycle started anew yesterday, so I'm inclined to just go ahead and try it to see what happens.

Thanks!
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Bob Johnson
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Re: Curious about verapamil
Reply #1 - Oct 2nd, 2013 at 12:57pm
 
Some boilerplate for you & your husband: print the PDF file, below.
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Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to Login or Register
Site of one of the best headache docs in the midwest. Large number of article, from medical journals, to explore. He offers an e-reader book for docs discussing meds, for the most part. Worth exploring the structure of the site to mine its features.
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The standard protocol for Cluster is: 1. high dose, short term use of steriod to break a cycle within 1-2 days; 2. at the same time, introducing a preventive, Verapamil being trhe most widely used (pdf article); 3. Rx an abortive, for attacks which sneak thru (again article.)

Explore this material and get back with any questions.

(If you're willing, send me an e-mail (box at the bottom of this message) and I can send several multi-page articles from medical sources with more specific info--all from medical sources.l) Example:

Headache. 2004 Nov;44(10):1013-8.   


Individualizing treatment with verapamil for cluster headache patients.

Blau JN, Engel HO.


    Background.-Verapamil is currently the best available prophylactic drug for patients experiencing cluster headaches (CHs). Published papers usually state 240 to 480 mg taken in three divided doses give good results, ranging from 50% to 80%; others mention higher doses-720, even 1200 mg per day. In clinical practice we found we needed to adapt dosage to individual's time of attacks, in particular giving higher doses before going to bed to suppress severe nocturnal episodes. A few only required 120 mg daily. We therefore evolved a scheme for steady and progressive drug increase until satisfactory control had been achieved. Objective.-To find the minimum dose of verapamil required to prevent episodic and chronic cluster headaches by supervising each individual and adjusting the dosage accordingly. Methods.-Consecutive patients with episodic or chronic CH (satisfying International Headache Society (IHS) criteria) were started on verapamil 40 mg in the morning, 80 mg early afternoon, and 80 mg before going to bed. Patients kept a diary of all attacks, recording times of onset, duration, and severity. They were advised, verbally and in writing, to add 40 mg verapamil on alternate days, depending on their attack timing: with nocturnal episodes the first increase was the evening dose and next the afternoon one; when attacks occurred on or soon after waking, we advised setting an alarm clock 2 hours before the usual waking time and then taking the medication. Patients were followed-up at weekly intervals until attacks were controlled. They were also reviewed when a cluster period had ended, and advised to continue on the same dose for a further 2 weeks before starting systematic reduction. Chronic cluster patients were reviewed as often as necessary. Results.-Seventy consecutive patients, 52 with episodic CH during cluster periods and 18 with chronic CH, were all treated with verapamil as above. Complete relief from headaches was obtained in 49 (94%) of 52 with episodic, and 10 (55%) of 18 with chronic CH; the majority needed 200 to 480 mg, but 9 in the episodic, and 3 in the chronic group, needed 520 to 960 mg for control. Ten, 2 in the episodic and 8 in the chronic group, with incomplete relief, required additional therapy-lithium, sumatriptan, or sodium valproate. One patient withdrew because verapamil made her too tired, another developed Stevens-Johnson syndrome, and the drug was withdrawn. Conclusions.-Providing the dosage for each individual is adequate, preventing CH with verapamil is highly effective, taken three (occasionally with higher doses, four) times a day. In the majority (94%) with episodic CH steady dose increase under supervision, totally suppressed attacks. However in the chronic variety only 55% were completely relieved, 69% men, but only 20% women. In both groups, for those with partial attack suppression, additional prophylactic drugs or acute treatment was necessary. (Headache 2004;44:1013-1018).

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SLOW-RELEASE VERAPAMIL

Dr. Sheftell applauded the protocol for verapamil used by Dr. Goadsby and colleagues, which entailed use of short-acting verapamil in increments of 80 mg. “This method was suggested by Lee Kudrow, MD, 20 years ago as an alternative to slow-release verapamil,” Dr. Sheftell noted.

“I would agree with using short-acting verapamil, rather than the sustained-release formulation, in cluster headache,” he said. “I prefer the short-acting formulation with regard to ability to titrate more accurately and safely. My clinical experience anecdotally demonstrates improved responses when patients are switched from sustained-release verapamil to short-acting verapamil.”

Dr. Goadsby agreed that his clinical experience was similar. “There are no well-controlled, placebo-controlled, dose-ranging studies to direct treatment. This is one of those areas where clinicians who treat cluster headache have to combine what modicum of evidence is available with their own clinical experience,” Dr. Sheftell commented.



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« Last Edit: Oct 2nd, 2013 at 1:03pm by Bob Johnson »  
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Bob Johnson
 
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Esheel31
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Re: Curious about verapamil
Reply #2 - Oct 2nd, 2013 at 10:24pm
 
Thanks Bob,That was a great read.I just started 240 mgs a day myself.
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Mike NZ
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Re: Curious about verapamil
Reply #3 - Oct 3rd, 2013 at 1:55am
 
Hi and welcome

240mgs is a pretty low dose for verapamil. Most get relief around 360-480mg but some go to around 1000mg. This is a lot higher than what is used for blood pressure control, so many doctors are reluctant to increase the dose.

It takes about 10 days for a dose change to become effective, so don't change too quickly. Make sure you also get regular ECGs done as it can change the PR interval, however stopping the verapamil should result in it returning to normal.

Most people experience constipation using it (I'm sure the tablets include concrete dust), but a good diet with plenty of fluids makes a big difference.
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droosa
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Re: Curious about verapamil
Reply #4 - Oct 3rd, 2013 at 10:39pm
 
My Doctor put me on Verapamil ER 240 2xd about 15 years ago.  It works great as a preventive.  After five years I quit it altogether until I underwent Chemo and Radiation for Cancer.  Then the CH came back and I started the same dosage again.  I have gone as high as 960 a day, but watching your BP is important. 
Good luck with your decision and may the clusters be history.
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