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Tapazole and blood clots

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KellyH - 02 Jul 2004 19:40 GMT
Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
cat at the shelter who was hyperthyroid threw a clot and was rushed to the
vet's, but died.  It was very sad.  Somehow it's gotten around that the
Tapazole caused or contributed to the cat developing a blood clot.  We have
another cat at the shelter who's hyperthyroid, and is on twice the dose that
the other cat was, and one of the volunteers said she didn't want to give
this cat the Tapazole because she didn't want her to die like Buttons did.
Sadly, this volunteer was the one who discovered Buttons and had to rush him
to the vet, so I can understand that she is hesitant.  I said, without the
Tapazole, it's even more likely that Emerald (the other hyper-T cat), will
die, so until we know more, it's best to medicate her.
Anyway, I just want to get some more information on this.  I wouldn't want
anyone to withold Tapazole thinking it's going to kill a cat.
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-Kelly
kelly at farringtons dot net
Check out www.snittens.com

Cathy Friedmann - 02 Jul 2004 19:49 GMT
> Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> cat at the shelter who was hyperthyroid threw a clot and was rushed to the
[quoted text clipped - 9 lines]
> Anyway, I just want to get some more information on this.  I wouldn't want
> anyone to withold Tapazole thinking it's going to kill a cat.

I don't know the answer.  One of my cats used to take Tapazole w/ no probs,
& I have taken it for the past 6 years.  I know that one has to watch liver
values for a while when it's first prescribed, & though I suppose anything's
possible, I haven't heard of common adverse side effects after that inital
time frame.

Cathy
Karen Chuplis - 02 Jul 2004 19:58 GMT
> Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> cat at the shelter who was hyperthyroid threw a clot and was rushed to the
[quoted text clipped - 9 lines]
> Anyway, I just want to get some more information on this.  I wouldn't want
> anyone to withold Tapazole thinking it's going to kill a cat.

I would think it more likely the cat was just disposed to the clot. I've
never heard of it as a side effect of Tapazole.
MacCandace - 02 Jul 2004 22:10 GMT
<< I would think it more likely the cat was just disposed to the clot. I've
never heard of it as a side effect of Tapazole. >>

Me either.  Maybe the cat had hypertension, too, and threw the clot because of
that.  If it was because of the tapazole, I'm sure it's not very common.  Poor
kitty, I'm sure he knew he was cared about at the shelter, he was more
fortunate than many others who don't have a good shelter to live in until
they're adopted.

Candace
(take the litter out before replying by e-mail)

See my cats:
http://photos.yahoo.com/maccandace

"One does not meet oneself until one catches the reflection from an eye other
than human."  (Loren Eisely)
Betsy - 03 Jul 2004 02:00 GMT
Cats that are hyperthyroid are at risk for all kinds of organ damage, not
the least of which is heart.  It is not at all uncommon for a hyperthyroid
cat to have secondary heart disease.  Tapazole is a pretty benign drug, and
without it the cat will surely die.  Any cat who is hyperthyroid should be
closely monitored for kidneys, heart, hypertension, etc. etc.

I've had several on tapazole, and yes the last one did throw a clot, but not
until age 21 after being on it for many years.  And her mom & dad also had
thyroid disease, as did a couple of my other cats, with no problem as to
clotting.

> Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> cat at the shelter who was hyperthyroid threw a clot and was rushed to the
[quoted text clipped - 9 lines]
> Anyway, I just want to get some more information on this.  I wouldn't want
> anyone to withold Tapazole thinking it's going to kill a cat.
KellyH - 03 Jul 2004 02:32 GMT
> Cats that are hyperthyroid are at risk for all kinds of organ damage, not
> the least of which is heart.  It is not at all uncommon for a hyperthyroid
[quoted text clipped - 6 lines]
> thyroid disease, as did a couple of my other cats, with no problem as to
> clotting.

Somehow I think  the connection was misconstrued from hyperthyroidism and
blood clots to the tapazole and blood clots.  I'm really not sure how it got
started, but now everyone's all in a panic.

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-Kelly
kelly at farringtons dot net
Check out www.snittens.com

CajunPrincess - 03 Jul 2004 02:07 GMT
> Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> cat at the shelter who was hyperthyroid threw a clot and was rushed to the
[quoted text clipped - 9 lines]
> Anyway, I just want to get some more information on this.  I wouldn't want
> anyone to withold Tapazole thinking it's going to kill a cat.

This idea piqued my curiousity since my late Prissy had to be given
Tapazole for the last year or so of her life and I was never told that
there was a risk of blood clots nor do I ever remember seeing that
idea put out in any of the places where I looked when researching
hyperthyroidism.  I just took a quick look to see specifically what
the risks and side effects of Tapazole are and blood clots are'nt
listed as one of them. I'd be kinda pissed at the person that started
the rumor.
-L. : - 03 Jul 2004 02:09 GMT
> Has anyone ever heard of Tapazole causing blood clots?

Nope.  Tapazole can cause a lot of other side effects, but afaik, it
doesn't affect clotting.

-L.
Mary - 03 Jul 2004 04:04 GMT
> Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> cat at the shelter who was hyperthyroid threw a clot and was rushed to the
> vet's, but died.  It was very sad.  Somehow it's gotten around that the
> Tapazole caused or contributed to the cat developing a blood clot.

Our vet told us that Buddha needed to either get radition therapy, surgery,
or go on some very expensive medication because being hyperthyroid might
CAUSE her to throw a blood clot. So I don't even understand your question.
Cathy Friedmann - 03 Jul 2004 04:11 GMT
> > Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> > cat at the shelter who was hyperthyroid threw a clot and was rushed to the
[quoted text clipped - 3 lines]
> Our vet told us that Buddha needed to either get radition therapy, surgery,
> or go on some very expensive medication because being hyperthyroid

Not Tapazole/methimazole, then?  'Cause as meds go, it (Tapazole) is not
pricey.  At least it wasn't in '01.  (I still get it for myself, but I get
methimazole - the generic, & my insurance prescription card covers all but
$3.)  But when I was buying it for my cat, it was one of her less expensive
meds.  Baytril & Procrit, otoh - they were - & so I assume still are -
pricey.

Cathy

might
> CAUSE her to throw a blood clot. So I don't even understand your question.
Mary - 03 Jul 2004 12:46 GMT
> Not Tapazole/methimazole, then?  'Cause as meds go, it (Tapazole) is not
pricey.  At least it wasn't in '01.  (I still get it for myself, but I get
methimazole - the generic, & my insurance prescription card covers all but
$3.)  But when I was buying it for my cat, it was one of her less expensive
meds.  Baytril & Procrit, otoh - they were - & so I assume still are -
pricey.

Well it certainly was nice of him NOT to tell us about Tapazole or any other
medication that was not terribly expensive. He quoted a price of about $600
for whatever it was.

However--my point was, if he was correct and being hyperthyroid causes a cat
to, as he said, "throw a bloodclot and perhaps lose function in her back
letgs," then why would ANY medication given to treat hyperthyroidism
actually cause blood clots? I think the answer is worth looking into. I
would certainly want to know before I put Buddha on it. Maybe this ought to
be cross-posted to the vet group?
KellyH - 03 Jul 2004 15:29 GMT
> Well it certainly was nice of him NOT to tell us about Tapazole or any other
> medication that was not terribly expensive. He quoted a price of about $600
> for whatever it was.

You have a hyperthyroid  cat and the vet *didn't* tell you about Tapazole?
I thought that was the standard medication given for hyperthyroidism. So
what did you end up doing for Buddha?

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-Kelly
kelly at farringtons dot net
Check out www.snittens.com

Mary - 03 Jul 2004 22:27 GMT
> You have a hyperthyroid  cat and the vet *didn't* tell you about Tapazole?

I think I covered that. No he did not.

> I thought that was the standard medication given for hyperthyroidism. So
what did you end up doing for Buddha?

Nothing at all. He based his diagnosis on her very high heart rate (300 bpm)
and wanted to treat based solely on that. Due to the fact that all
treatments he quoted were so drastic (surgery, radiation, or very expensive
medicine for a cat showing no signs of illness at all) I insisted on
bloodwork that showed that her T3 levels were in the normal range. It is two
years later, and she is perfectly fine. Even though he insisted that her
high heart rate was "too high even for a very upset cat," this is a cat that
howls all the way to the vet and is a basket case until we get her home. Add
to this the fact that she is fat (and was a lot fatter then, it was before
her diet) and being fat increases heart rates, and apparently we did the
right thing. The last two times she has been in her heart rate was in the
200s--normal for a nervous cat.

I don't trust vets or human doctors as a rule.
Cathy Friedmann - 03 Jul 2004 23:29 GMT
> > You have a hyperthyroid  cat and the vet *didn't* tell you about Tapazole?
>
[quoted text clipped - 17 lines]
> >
> I don't trust vets or human doctors as a rule.

As a rule, I trust both.  But there are exceptions, or they may be holes
within a doctor's or vet's general high level of knowledge.

However, I don't understand how a vet could tell someone to treat for
hyperthyroidism, based on one symptom, Vs. a group of symptoms, & without
the bw numbers to back up their guess/hypothesis.  Str-ange, IMO.

Cathy
Mary - 06 Jul 2004 16:50 GMT
.>> I don't trust vets or human doctors as a rule.

>As a rule, I trust both.

Well, bless your heart. For me, the consequences of their mistakes
are potentially too high. I question, verify, requestion, and get a second
opinion when I really feel uncomfortable.

>But there are exceptions, or they may be holes
>within a doctor's or vet's general high level of knowledge.

This guy was new and young. There are two vets we usually see, and one is
the founder of the practice, which began when he took over the office in
1985. He is a graduate of the NC State Vet School, as is the female doctor
we usually see. It was the latter doctor who came to the house and
euthanized Gnarly so her last experience was not sheer terror.

>However, I don't understand how a vet could tell someone to treat for
>hyperthyroidism, based on one symptom, Vs. a group of symptoms, &
withoutthe bw numbers to back up their guess/hypothesis.  Str-ange, IMO.

Yeah, well. I had a talk with the founding vet at home after this. He's
wonderful--his home telephone is listed so that anyone who needs him can
reach him, even on his days off. I assume he had a talk with the other
doctor, but I don't know. In the younger man's opinion, NOTHING but
hyperthyroidism could cause a 300 bpm heart rate. Do you know of something
else that could? She does not have any heart disease, and in fact has never
had any health problems aside from being fat. Buddha is almost nine years
old.
Cathy Friedmann - 06 Jul 2004 18:28 GMT
> .>> I don't trust vets or human doctors as a rule.
> >
[quoted text clipped - 3 lines]
> are potentially too high. I question, verify, requestion, and get a second
> opinion when I really feel uncomfortable.

Well, of course, & so do I.  As I hope all people would (although I bet not
all do).  But notice, I said "as a rule".  And went on to state what
follows.

Cathy

> >But there are exceptions, or they may be holes
> >within a doctor's or vet's general high level of knowledge.
zuzu22@webtv.net - 06 Jul 2004 20:31 GMT
>In the younger man's opinion, NOTHING
>but hyperthyroidism could cause a 300
>bpm heart rate.

That's not a vet I'd go back to. My cat Omar was diagnosed with Dilated
Cardiomyopathy a few months ago, and his heart rate was 288 and higher.
He developed chylothorax as well, but that has resolved now that the
heart issue has been addressed. His heart rate has been brought down to
about 164 now that he's on several medications, but the prognosis is not
great as he has a pretty severe case so I have to go one day at a time
and I hope for another.

The only way to properly diagnose a heart condition is to get an
echocardiogram. If you haven't done that and a T4 test for hyperthyroid
is negative, then there aren't many other reasons the heart rate would
be so high and you'd be wise to have one done ASAP. Every day a heart
condition goes untreated is another day of more damage, and if you can
get it diagnosed and under control quickly your cat could possibly have
a good amount of time left.

Megan

                                   
Signature


"The only thing necessary for the triumph of evil is for good men to do
nothing."

-Edmund Burke

Learn The TRUTH About Declawing
http://www.stopdeclaw.com

Zuzu's Cats Photo Album:
http://www.PictureTrail.com/zuzu22

"Concerning all acts of initiative (and creation), there is one
elementary truth the ignorance of which kills countless ideas and
splendid plans: that the moment one definitely commits oneself, then
providence moves too. A whole stream of events issues from the decision,
raising in one's favor all manner of unforeseen incidents, meetings and
material assistance, which no man could have dreamt would have come his
way."

- W.H. Murray

Cathy Friedmann - 03 Jul 2004 15:40 GMT
> > Not Tapazole/methimazole, then?  'Cause as meds go, it (Tapazole) is not
> pricey.  At least it wasn't in '01.  (I still get it for myself, but I get
[quoted text clipped - 6 lines]
> medication that was not terribly expensive. He quoted a price of about $600
> for whatever it was.

This isn't making sense to me: AFAIK, Tapazole is the most common med used
for hyperthyroidism.  $600 a what?  Month, year, decade?

> However--my point was, if he was correct and being hyperthyroid causes a cat
> to, as he said, "throw a bloodclot and perhaps lose function in her back
> letgs," then why would ANY medication given to treat hyperthyroidism
> actually cause blood clots? I think the answer is worth looking into. I
> would certainly want to know before I put Buddha on it. Maybe this ought to
> be cross-posted to the vet group?

I've never *heard* of Tapazole causing blood clots.  Like any med, it can
have certain side effects, & as I said one has to watch liver function at
first, but most cats & people seem to tolerate it well.

Cathy
KellyH - 03 Jul 2004 05:45 GMT
I wrote:

> > Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> > cat at the shelter who was hyperthyroid threw a clot and was rushed to the
> > vet's, but died.  It was very sad.  Somehow it's gotten around that the
> > Tapazole caused or contributed to the cat developing a blood clot.

> Our vet told us that Buddha needed to either get radition therapy, surgery,
> or go on some very expensive medication because being hyperthyroid might
> CAUSE her to throw a blood clot. So I don't even understand your question.

I don't know what's so hard to understand.  Some of the volunteers have been
attributing the cause of the blood clot to the Tapazole, not to the
hyperthyroid condition.  I've never heard of Tapazole causing blood clots,
but I then again, I've only had experience with a few hyperthyroid cats, so
I thought I'd ask here.  I don't want the "Tapazole causes blood clots"
theory going around if it's baseless.
Signature

-Kelly
kelly at farringtons dot net
Check out www.snittens.com

Mary - 03 Jul 2004 12:51 GMT
> I wrote:
>
[quoted text clipped - 11 lines]
>
> I don't know what's so hard to understand.

Okay, then I'll say it again for you, more clearly. If Tapazole causes blood
clots, why is it given for a disease that is known to cause blood clots.
Simple enough?
KellyH - 03 Jul 2004 15:03 GMT
> Okay, then I'll say it again for you, more clearly. If Tapazole causes blood
> clots, why is it given for a disease that is known to cause blood clots.
> Simple enough?

I like how you snipped the rest of the post that explained why I was asking
this.  Again, some of the volunteers are under the impression, and I don't
know how this got started, that Tapazole caused the blood clot that killed
Buttons.  I wanted to know if there was any truth in this.  I don't know
everything about hyperthyroidism, and there are a lot of people on this ng
that have had hyper-T cats, so I thought I'd ask if anyone has heard of
this.  No, it didn't quite make sense to me, but you never know.

Signature

-Kelly
kelly at farringtons dot net
Check out www.snittens.com

Mary - 03 Jul 2004 22:19 GMT
> > Okay, then I'll say it again for you, more clearly. If Tapazole causes
blood clots, why is it given for a disease that is known to cause blood
clots.

> > Simple enough?
>
> I like how you snipped the rest of the post that explained why I was
asking this.

Snipping is good. And what was there did not change the fact that the
question displays a total lack of the most basic understanding of the
disease.

Perhaps someone should educate the volunteers about hyperthyroidism and
other cat diseases.
-L. : - 03 Jul 2004 20:48 GMT
> I wrote:
>
[quoted text clipped - 16 lines]
> I thought I'd ask here.  I don't want the "Tapazole causes blood clots"
> theory going around if it's baseless.

FWIW, we saw a TON of cats on Tapazole - never saw one throw a clot.
Reported side effects are gastrointestinal irritation, liver disease
and anemia.  The only problem we encountered regularly were GI issues
- usually diarrhea.  Overall, I think Tapazole is a poor choice for
long-term treatment of hyperthyroidism in cats - radiotherapy being
the best choice, but of course, not for ALL cats.  Plus, it's spendy.

-L.
zuzu22@webtv.net - 03 Jul 2004 16:47 GMT
Kelly wrote:

>  Has anyone ever heard of Tapazole
> causing blood clots? A few days ago, a
[quoted text clipped - 21 lines]
> wouldn't want anyone to withold Tapazole
> thinking it's going to kill a cat.

If the shelter withholds medication they will be responsible if the cat
develops and throws a blood clot. In a nutshell, Tapazole does NOT cause
blood clots and in fact causes clotting to take longer.

Untreated hyperthyroidism will cause heart damage, causing irregular
heartbeats, etc. which can lead to the cat throwing a blood clot.
Putting a cat on Tapazole *reduces* the risk of the heart getting
damaged and throwing a clot, although if the cat went untreated for too
long before the hyperthyroid was discovered the heart damage is
irreversible and the cat can develop and throw clots.

I think there should be a meeting with these shelter people, especially
the volunteer that thinks not treating the hyperthyroid cat is a good
idea, and informing them of this before these stupid rumors get out of
hand and another cat dies from lack of treatment. It also might benefit
them to do a little research rather than starting and promoting baseless
rumors.

Megan

                                   
Signature


"The only thing necessary for the triumph of evil is for good men to do
nothing."

-Edmund Burke

Learn The TRUTH About Declawing
http://www.stopdeclaw.com

Zuzu's Cats Photo Album:
http://www.PictureTrail.com/zuzu22

"Concerning all acts of initiative (and creation), there is one
elementary truth the ignorance of which kills countless ideas and
splendid plans: that the moment one definitely commits oneself, then
providence moves too. A whole stream of events issues from the decision,
raising in one's favor all manner of unforeseen incidents, meetings and
material assistance, which no man could have dreamt would have come his
way."

- W.H. Murray

KellyH - 03 Jul 2004 18:49 GMT
<snip>
> I think there should be a meeting with these shelter people, especially
> the volunteer that thinks not treating the hyperthyroid cat is a good
> idea, and informing them of this before these stupid rumors get out of
> hand and another cat dies from lack of treatment. It also might benefit
> them to do a little research rather than starting and promoting baseless
> rumors.

I have no idea how the rumor got started.  I know those in charge of making
cat care decisions would not discontinue Tapazole based on rumor, but other
volunteers have been in a panic since this happened.  I've done a bunch of
research in the meantime and have some information to back me up.  Buttons
was a stray, so we have no idea how long he was hyperthyroid before he
recieved treatment.  He was declawed, so obviously he was someone's cat at
some point in time. :-(

Signature

-Kelly
kelly at farringtons dot net
Check out www.snittens.com

Cathy Friedmann - 03 Jul 2004 18:56 GMT
> <snip>
> > I think there should be a meeting with these shelter people, especially
[quoted text clipped - 8 lines]
> volunteers have been in a panic since this happened.  I've done a bunch of
> research in the meantime and have some information to back me up.

Good; are you going to print out your info & bring it in?  Maybe post
it/tack it up where people tend to read info?

Cathy

Buttons
> was a stray, so we have no idea how long he was hyperthyroid before he
> recieved treatment.  He was declawed, so obviously he was someone's cat at
> some point in time. :-(
KellyH - 03 Jul 2004 22:29 GMT
<snip>
> I think there should be a meeting with these shelter people, especially
> the volunteer that thinks not treating the hyperthyroid cat is a good
> idea, and informing them of this before these stupid rumors get out of
> hand and another cat dies from lack of treatment. It also might benefit
> them to do a little research rather than starting and promoting baseless
> rumors.

I have no idea how the rumor got started.  I know those in charge of making
cat care decisions would not discontinue Tapazole based on rumor, but other
volunteers have been in a panic since this happened.  I've done a bunch of
research in the meantime and have some information to back me up.  Buttons
was a stray, so we have no idea how long he was hyperthyroid before he
recieved treatment.  He was declawed, so obviously he was someone's cat at
some point in time. :-(

Signature

-Kelly
kelly at farringtons dot net
Check out www.snittens.com

KellyH - 03 Jul 2004 22:29 GMT
<snip>
> I think there should be a meeting with these shelter people, especially
> the volunteer that thinks not treating the hyperthyroid cat is a good
> idea, and informing them of this before these stupid rumors get out of
> hand and another cat dies from lack of treatment. It also might benefit
> them to do a little research rather than starting and promoting baseless
> rumors.

I have no idea how the rumor got started.  I know those in charge of making
cat care decisions would not discontinue Tapazole based on rumor, but other
volunteers have been in a panic since this happened.  I've done a bunch of
research in the meantime and have some information to back me up.  Buttons
was a stray, so we have no idea how long he was hyperthyroid before he
recieved treatment.  He was declawed, so obviously he was someone's cat at
some point in time. :-(

Signature

-Kelly
kelly at farringtons dot net
Check out www.snittens.com

Barb - 03 Jul 2004 18:18 GMT
My Pepper has been on Tapazol for several years, doubling her weight from a
scary 5 lbs to over 10 lbs.  One day her Tapazol came from a different
company.  The pills were smaller but were still the same dose of Tapazol.
After a couple of weeks on this medication she suddenly was throwing up a
lot of bright, red blood.  The medication was discontinued while she went to
the vet for a thorough check-up, x-rays and ultrasound.  Nothing was found.
I asked the vet if we could get the original meds that she was on and he got
them but with some difficulty and will now try to get the same meds from now
on.  She has been fine ever since.  Did the different brand of Tapazol cause
the change?  Is "throwing a blood clot" the same as throwing up blood?  is
this of any help?

--
Barb
Of course I don't look busy,
I did it right the first time.
Laura R. - 03 Jul 2004 19:13 GMT
circa Sat, 03 Jul 2004 17:18:17 GMT, in rec.pets.cats.health+behav,
Barb (bguzzino@suffolk.lib.ny.us) said,
>  Is "throwing a blood clot" the same as throwing up blood?

Definitely not. "Throwing a blood clot" is a clot in a vein/artery
that disrupts blood flow to some part of the body. When it happens in
the brain, it's called a stroke. When it happens in a pulmonary
artery, it's called a pulmonary embolism, etc., etc. and so on. There
are lots of different names for conditions that are caused by blood
clots somewhere in the body. Throwing up blood usually indicates
something like an ulcer or uncontrolled internal bleeding, which,
really, is kind of the opposite of a blood clot.

Laura
Signature

Experience is the name every one gives to their mistakes.
-Oscar Wilde

Cheryl - 03 Jul 2004 21:50 GMT
In the fine newsgroup "rec.pets.cats.health+behav", Laura R.
<UseFirstInitialPlusRobinson@technologist.com> artfully composed this
message within <news:MPG.1b50c11a1828ed1d98ad35@news.verizon.net> on
03 Jul 2004:

> Throwing up blood usually indicates
> something like an ulcer or uncontrolled internal bleeding, which,
> really, is kind of the opposite of a blood clot.

I wonder if "throwing a clot" is sometimes used generically? After
Shadow's surgery and he vomitted blood (not bright red, either, BTW)
the vet said he "threw a clot" but then prescribed Pepcid and
Carafate (SP) after 2 transfusions were done. She also suggested an
ulcer (obviously, from the meds prescibed) but my gut feeling was
because of the complications with the feeding tube. His PCV was down
around 6 when that happened.

Signature

Cheryl

Mary - 06 Jul 2004 17:12 GMT
Barb wrote in message ...
>My Pepper has been on Tapazol for several years, doubling her weight from a
scary 5 lbs to over 10 lbs.

I shudder to think what might have happened had I been
persuaded to put my girl on Tapazol, since she was at that
time really overweight. What are the other risks of hyperthyroid besides
blood clots?
Cathy Friedmann - 06 Jul 2004 18:31 GMT
> Barb wrote in message ...
> >My Pepper has been on Tapazol for several years, doubling her weight from a
[quoted text clipped - 4 lines]
> time really overweight. What are the other risks of hyperthyroid besides
> blood clots?

One's entire system revving too fast when hyperthyroid: the metabolism is
too high.  Therefore, basically the entire body & all of its organs are
stressed.  If you Google hyperthyroidism, you'll get a ton of info.

Cathy
KellyH - 03 Jul 2004 22:44 GMT
I told the Cat Coordinator about the "tapazole causes blood clots" rumor,
and she sent out an email to everyone that this is *not* true.  She will
also post this at the shelter.

Signature

-Kelly
kelly at farringtons dot net
Check out www.snittens.com

> Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> cat at the shelter who was hyperthyroid threw a clot and was rushed to the
[quoted text clipped - 9 lines]
> Anyway, I just want to get some more information on this.  I wouldn't want
> anyone to withold Tapazole thinking it's going to kill a cat.
Cathy Friedmann - 03 Jul 2004 23:20 GMT
> I told the Cat Coordinator about the "tapazole causes blood clots" rumor,
> and she sent out an email to everyone that this is *not* true.  She will
> also post this at the shelter.

Good; that should take care of that.

Cathy

> > Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> > cat at the shelter who was hyperthyroid threw a clot and was rushed to the
[quoted text clipped - 12 lines]
> > Anyway, I just want to get some more information on this.  I wouldn't want
> > anyone to withold Tapazole thinking it's going to kill a cat.
Phil P. - 04 Jul 2004 07:02 GMT
> Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> cat at the shelter who was hyperthyroid threw a clot and was rushed to the
> vet's, but died.  It was very sad.  Somehow it's gotten around that the
> Tapazole caused or contributed to the cat developing a blood clot.

Tapazole does not cause blood clots (aortic thromboembolism).  However,
hyperthyroidism can cause myocardial hypertrophy that is very similar to
hyperthrophic cardiomyopathy that could  predispose the cat to clots.

Thromboembolism in cats with hyperthyroidism is very uncommon.  The few
recorded cases were usually found in cats with long-standing, untreated
thyrotoxicosis.

Phil.

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       "Cat eyes seem a bridge to a world
              beyond the one we know"
                        Lynn Hollyn

m. L. Briggs - 04 Jul 2004 21:23 GMT
>> Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
>> cat at the shelter who was hyperthyroid threw a clot and was rushed to the
[quoted text clipped - 10 lines]
>
>Phil.
Welcome back -- I always enjoyed your posts.  MLB
Phil P. - 06 Jul 2004 12:35 GMT
> >> Has anyone ever heard of Tapazole causing blood clots?  A few days ago, a
> >> cat at the shelter who was hyperthyroid threw a clot and was rushed to the
[quoted text clipped - 11 lines]
> >Phil.
> Welcome back -- I always enjoyed your posts.  MLB

Thanks... I didn't realize I left - just haven't had much time.

Phil

"Cat people are different, to the extent that they

                generally are not conformists.

How could they be, with a cat running their lives?"

                        --Louis Camuti

         Feline Healthcare: http://maxshouse.com
Mary - 06 Jul 2004 17:36 GMT
Phil P. wrote in message ...

> I didn't realize I left - just haven't had much time.
>
>Phil

Phil, have you got any ideas about what might cause
a 300 bpm heart rate on occasions? Would you agree
with the young vet that this is too high for just nervousness
re going to the vet?
 
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