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Topamax (Read 2065 times)
Groovy Chick
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Topamax
Apr 7th, 2011 at 10:11am
 
Since Monday, I noticed that my vision was strange. I wrote it off as a headache, fatigue, or my imagination. Until this morning. I was in the kitchen trimming some chicken for homemade chicken noodle soup for lunch for the guys, and I realized that the chicken was blurry. Now, since an issue with a scopolamine patch (you can google the side effects regarding vision) post-surgery in 2006, I've worn reading glasses; however, I don't normally wear glasses to do anything else. This was weird. Then I realized that everything else around me was blurry. This evening, I asked Billy to Google the two medications I'm on for my migraines and cluster headaches (lithium and Topamax). BINGO!

FDA posts safety alerts, public health advisories, press releases and other notices from companies as a service to health professionals, consumers and other interested parties. Although FDA approves medical products, FDA does not endorse either the product or the company.

This is the retyped text of a letter from Ortho-McNeil Pharmaceutical, Inc. Contact the company for a copy of any referenced enclosures.



September 26, 2001

IMPORTANT DRUG WARNING

Dear Healthcare Professional:

We have updated the prescribing information for TOPAMAX® to provide new information about an ocular syndrome that has occurred in patients receiving topiramate. This syndrome is characterized by acute myopia and secondary angle closure glaucoma. This information is based on postmarketing experience in more than 825,000 patients.

As of August 17, 2001 there have been 23 reported cases: 22 in adults and 1 in pediatric patients. It is generally recognized that postmarketing data are subject to substantial under-reporting.

Symptoms have typically occurred within the first month of therapy, with patients reporting an acute onset of decreased visual acuity and/or ocular pain. Eye examination revealed myopia, redness, shallowing of the anterior chamber and elevated ocular pressure, with or without pupil dilatation. Supraciliary effusion may displace the lens and iris anteriorly, secondarily causing angle closure glaucoma.

If patients develop this syndrome, the primary treatment to reverse symptoms is discontinuation of TOPAMAX as rapidly as possible, according to the judgment of the treating physician. Other measures, in conjunction with discontinuation of TOPAMAX, may be helpful.

The following has been added to the TOPAMAX prescribing information:

Under WARNINGS

Acute myopia and secondary angle closure glaucoma

A syndrome consisting of acute myopia associated with secondary angle closure glaucoma has been reported in patients receiving TOPAMAX. Symptoms include acute onset of decreased visual acuity and/or ocular pain. Ophthalmologic findings can include myopia, anterior chamber shallowing, ocular hyperemia (redness) and increased intraocular pressure. Mydriasis may or may not be present. This syndrome may be associated with supraciliary effusion resulting in anterior displacement of the lens and iris, with secondary angle closure glaucoma. Symptoms typically occur within 1 month of initiating TOPAMAX therapy. In contrast to primary narrow angle glaucoma, which is rare under 40 years of age, secondary angle closure glaucoma associated with topiramate has been reported in pediatric patients as well as adults. The primary treatment to reverse symptoms is discontinuation of TOPAMAX as rapidly as possible, according to the judgment of the treating physician. Other measures, in conjunction with discontinuation of TOPAMAX, may be helpful.

Elevated intraocular pressure of any etiology, if left untreated, can lead to serious sequelae including permanent vision loss.


Did you catch the part about 23 out of 825,000, and that was back in 2001? I'm playing the freaking lottery. I'm tired of being in the minority. Heck, just being a woman and getting cluster headaches, I'm beating the odds. I'm sure it must be a sign that I should play the lottery, right?  Smiley  I've got to smile. I've already had the half hour of pure bawling from just being so over all this. I'm just so emotionally tired at this point. Tired of these headaches.  Tired of feeling like crap.  Tired of feeling like I'm totally useless to my family.  I sure didn't need this.

From what I read, it seems like this should reverse itself once the medication is stopped. I sure hope so. If you read this and wanted to throw a prayer two my way, it wouldn't hurt my feelings. Wink 

I have a call in to the neurologist this morning.  Of course, my incredibly wonderful neurologist is out of the office until Monday (and FWIW, my incredibly knowledgeable g.p. who prescribed oxygen for me prior to seeing the neurologist is off on Thursdays!), but his associate is in, and I left a message with the nurse, so hopefully, I'll hear something soon.  I read you're not supposed to stop Topamax cold turkey.  What they heck is THAT going to be like this weekend?  LOL  Oh, the joy of all this craziness.  Thank you for letting me vent, my new friends.   I'll let you know if we find out anything new.

Or if I win the lottery.  Cheesy
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JenElizabeth
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Re: Topamax
Reply #1 - Apr 7th, 2011 at 10:39am
 
Hey, I've been on Topamax for a little over a month now as well.

Sorry to hear it's not working out for you Undecided

I do feel your pain though; I tend to get blurred vision from time to time when a really bad one is coming on (and it's been like that since before I started testing all these darn meds!)

Here's hoping things get better for you soon - from one chick to another  Tongue
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« Last Edit: Apr 7th, 2011 at 10:40am by JenElizabeth »  
 
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Groovy Chick
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Re: Topamax
Reply #2 - Apr 7th, 2011 at 10:51am
 
Neurologist just called back and said to see an opthalmologist.  TODAY.
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Groovy Chick
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Re: Topamax
Reply #3 - Apr 7th, 2011 at 10:56am
 
JenElizabeth wrote on Apr 7th, 2011 at 10:39am:
Hey, I've been on Topamax for a little over a month now as well.

Sorry to hear it's not working out for you Undecided

I do feel your pain though; I tend to get blurred vision from time to time when a really bad one is coming on (and it's been like that since before I started testing all these darn meds!)

Here's hoping things get better for you soon - from one chick to another  Tongue


Hey there,

It's no fun being in the minority, huh?  My neurologist was a bit amazed that I was getting cluster headaches but was totally open to the idea when he listened to the symptoms and the fact that they were like turning a light switch off and on (I just love him).

Thanks for the good wishes.  Keeping my fingers crossed that everything checks out okay at the eye doctor.  I was born with amblyopia and spent the first five year of my life legally blind.  I'm not ready to head that direction at 41 -- and certainly not because of a stupid medication!

My next concern is what's going to happen this weekend from stopping 200mg daily Topamx cold turkey?  Am I in for a banner stretch of migraines and clusters?  Should I just hole up now in my bedroom and tell everyone to just leave me the heck alone?  Will it be okay?  Will it be extremely painful?  I'm scared to death?  This on top of wondering about the health of my eyesight.  This is so not good.
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Bob Johnson
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Re: Topamax
Reply #4 - Apr 7th, 2011 at 11:16am
 
Compr Ophthalmol Update. 2007 Sep-Oct;8(5):271-6.
Review of sulfonamide-induced acute myopia and acute bilateral angle-closure glaucoma.

Panday VA, Rhee DJ.

Wilford Hall Medical Center, San Antonio, TX, USA.

Sulfonamide medications can cause an idiosyncratic reaction, resulting in acute transient myopia and acute angle-closure glaucoma. The risk of an adverse reaction to a sulfonamide is approximately 3%, and the exact mechanism of the myopia and angle-closure glaucoma remains controversial. Typical clinical presentation includes bilateral involvement with blurring of vision that generally occurs over minutes to hours, nausea or vomiting, red eye, and headache. Examination may show conjunctival injection, corneal edema, anterior chamber inflammation, and flat or shallow anterior chamber. Diagnosis is based on clinical suspicion, although an ultrasound biomicroscopy may be helpful in diagnosing swelling of the ciliary body.

TOPIRAMATE, A SULFA DERIVATIVE, IS USED FOR THE TREATMENT OF MIGRAINES OR SEIZURES. THE SIDE EFFECTS INCLUDE ACUTE MYOPIA AND ANGLE-CLOSURE GLAUCOMA. TREATMENT OF THIS CONDITION IS PRIMARILY SUPPORTIVE ALONG WITH DISCONTINUATION OF THE MEDICATION; TOPICAL MIOTICS AND PERIPHERAL IRIDECTOMY ARE NOT HELPFUL. IF INTRAOCULAR PRESSURE REMAINS UNCONTROLLED, ADDITIONAL THERAPIES, SUCH AS TOPICAL INTRAOCULAR PRESSURE-LOWERING MEDICATIONS, HIGH-DOSE STEROIDS, AND TRABECULECTOMY, MAY NEED TO BE CONSIDERED.

Publication Types:
Review

PMID: 18201514 [PubMed
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Bob Johnson
 
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JenElizabeth
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Re: Topamax
Reply #5 - Apr 7th, 2011 at 11:39am
 
Quote:
My next concern is what's going to happen this weekend from stopping 200mg daily Topamx cold turkey?  Am I in for a banner stretch of migraines and clusters?  Should I just hole up now in my bedroom and tell everyone to just leave me the heck alone?  Will it be okay?  Will it be extremely painful?  I'm scared to death?  This on top of wondering about the health of my eyesight.  This is so not good.

You're stopping cold turkey?? I'm sure stopping outright will be for the benefit of the health of your eyesight (trying to be positive lol).

Do you have oxygen or anything as an abortive to deal with anything when it hits just in case? I find that 5 hour energy or sugar free red bull helps occasionally if I chug lots right when I feel it coming. That and really cold water. Helps me sometimes anyway, worth a shot. Hang in there!
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Groovy Chick
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Re: Topamax
Reply #6 - Apr 7th, 2011 at 5:48pm
 
Yes, cold turkey.  Not sure what it's going to be like.  It's a very scary thought, and it's causing a bit of a panic attack really.  O2 is standing by along with narcotics like LorTab and Stadol (Butorphanol) and Percocet, but I'd rather not go there (the meds) if I don't have to.  I've been free of them for three weeks, and it would be like taking a huge step backwards.

Got back from the ophthalmologist.  Aside from the fact that the guy was a pinhead -- he was trying to figure out my eyesight prescription and attempting to convince me that I probably needed glasses for distance since I'm now past the tender age of 40.  I just kept thinking... did this dude not read that I'm here because the neurologist sent me?  My eyesight is NOT normal today and this just started THREE days ago?  I kept repeating this to him, and it was like talking to a brick wall.  Nevertheless... my hard parts -- optic nerve, retina, and cornea -- are all just fine, which is wonderful news.  The blurriness is probably attributed to the Topamax (gee, ya think?), and he couldn't tell me if it was going to be permanent or not.  We'll just have to wait and see.  Since these are MY eyes, I'm going to err on the side of caution and listening to the neurologist who prescribed the medication in the first place.  Since he says not to take it, I'm not taking it.  I just couldn't exactly figure this guy out.  Was he trying to sell me glasses or something?  Did he not hear that my eyes were fine up until Monday and it's not that I have a fear of wearing glasses or something -- in fact, I DO wear glasses to read.  I don't know.  I'm just glad I don't need to go see him again.   Smiley
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« Last Edit: Apr 7th, 2011 at 5:49pm by Groovy Chick »  
 
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wimsey1
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Re: Topamax
Reply #7 - Apr 8th, 2011 at 8:22am
 
I think any time you go cold turkey it's harsh. I did for both cafergot and topamax but I needed some help to get over the hump. I was also gradually introduced to verpamil to work as a preventative. Mostly I was glad to get rid of the really unpleasant side effects of both ergotamine and topamax, so it was worth it. You just need to try the next thing on your list of what to do if the current best thing isn't working to tame the CH nasty. Prayers your way, and blessings, too! lance
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Groovy Chick
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Re: Topamax
Reply #8 - Apr 9th, 2011 at 11:28pm
 
Many many thanks for the prayers and good wishes!

Well, my eyesight seems to be going back to normal, which is absolutely amazing.  I'm still not liking that I'm in this teeny tiny percentage of people who's eyes get messed with on Topamax.  It seems to have been muscular instead of damage to the hard parts of the eye, so I am eternally grateful.

72 hours after going off Topamax cold turkey, and this is really not good.  I asked my husband to Google withdrawal symptoms and what I might expect (to kind of do the mental checklist of what I was already experiencing), and based on what patients have posted, Topamax is not something I would have gone on had I been aware of the bigger picture.

Now, I'm not saying that Topamax doesn't help with the headaches because it definitely helped with my daily migraines; however, when I weigh the side effects vs. having few migraines... that's a really tough call.

What I'm experiencing now:  first, let me say that I'm not checking out on you.  I promise.  It's not even in my realm of possible life choices.  That being said, I sat there yesterday, bawling, and telling my husband that I could certainly see how that was a feasible possibility to some people (no, I didn't use those words... it's a wonder I can put two thoughts together lately!) because for the first time in my life, I didn't want to be in my body.  And yes, I know it's the drugs making me have suicidal thoughts, as they're not a normal part of everyday life for me. Smiley

I am nauseated and have zero appetite.  (Found out that very low O2 with the mask alleviates nausea!)   I'm dizzy and just about passed out in the shower today for no apparent reason.  I'm itchy beyond belief.  I can't sleep; however, when I do, I have crazy dreams verging on horrific nightmares.  I'm back to stuttering from pain of the headaches.  I am acting like a psycho-lunatic and crying -- I mean absolute bawling -- for no reason. I have cluster headache-like stabbing pain in the left front quarter of my head and face that comes and goes randomly.   Even worse... the migraines are back with a vengeance, and the cluster headaches, which had lessened in intensity are just as bad as when they first started.

Thankfully, two M O2 tanks arrived Friday, and I'm taking full advantage of them for the cluster headaches.

My neurologist was not in last week, and it was his associate who told me to stop taking the Topamax and see an ophthalmologist.  However, I'm left here hanging until I can get through to him next week and get on something new.

Another thing that annoys me about all this is that I had stopped all the narcotics (Percocet, LorTab, and Stadol (Butorphanol)) cold turkey three weeks ago after meeting with the neurologist.  He explained that even though I was only taking the prescribed dosages, I'd been taking them so long that my body was dependent on them and that we had to get them out of my system to get my pain receptors back on track for meds that WEREN'T narcotics (like the Topamax and Lithium).  Well, damn if I'm going to sit here for six days and suffer through the migraine pain on top of the withdrawal!  I called my g.p. and explained what was going on, and I'm taking LorTab to get me through... only taking the bare minimum so that I don't smash my head through a wall to change up the pain a bit (oh, how funny to say that to people who actually understand what I'm talking about!).

Again, thanks for the prayers, My Friends.  Please keep them coming.  I have a feeling this is going to be a rough week.   Undecided
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