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Pet Forum / Miscellaneous / Animal Health / April 2005



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Canine Asthma and/or Caniine Tracheobronchitis?

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Fouchnickens - 05 Apr 2005 04:49 GMT
Hi!  I just found this group and was wondering if anyone here has any
experience with canine asthma and/or chronic tracheobronchitis.  I have a
chihuahua (his name is Chico) and he has been suffering from an unrelenting
coughing heave, which is largely unproductive.  The only truly effective
meds  that have worked for his asthma are Sudafed (which makes him act like
a junkie going through withdrawal) and prednisone (which made him bulk up
twice his size).  I've tried a variety of things, but none have been
effective for extended periods.  I still give him 200mg of theophylline, but
he's also been on cyclosporin (which  worked for the first course of
treatment, but then became ineffective in later courses).  I am at my wit's
end with Chico because his hacking cough is disturbing my already poor
ability to sleep.  I know it's not his fault, but he's a sensitive dog  who
has always slept in my bed -- so it's either get his asthma under control or
face the possibility of putting my favorite little guy to sleep.

Chico has had two tracheal flushes, both of which have come back negative --
these tests were done by two different  vets.  He does not take in as much
water as he should (oftentimes, I will make a 50/50 mix of water and apple
juice to encourage him to drink more, as well as give him more wet food than
dry food).  When his hacking becomes really bad, he will attempt to drink
water, then vomit it up within moments of drinking the water.

He's back to his normal weight of 7 pounds -- I am seriously considering
putting him back on the prednisone and letting him gain the weight back,
although that most likely stress out his luxating patellas (his knee caps
are nowhere near his knees, which gives him a funny gait -- this, however,
has not given him any arthritic pain to date at the age of 9 years).  Any
help would be greatly appreciated!

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Rachel M. Fouché

Spot - 05 Apr 2005 23:21 GMT
Has the vet ever recommended a diuretic.  I had a cat who had severe asthma
and took pretty much the same drugs as your dog.  We eventually had to put
her on lasix due to fluid around her heart caused my the prednisone.  I know
that fluid around the heart will also cause a dog to cough like you
describe.

Celeste

> Hi!  I just found this group and was wondering if anyone here has any
> experience with canine asthma and/or chronic tracheobronchitis.  I have a
[quoted text clipped - 24 lines]
> has not given him any arthritic pain to date at the age of 9 years).  Any
> help would be greatly appreciated!
Fouchnickens - 07 Apr 2005 03:21 GMT
I'll mention that to his vet when we see him next.  Tanks for the info.

Rachel

> Has the vet ever recommended a diuretic.  I had a cat who had severe asthma
> and took pretty much the same drugs as your dog.  We eventually had to put
[quoted text clipped - 40 lines]
> > has not given him any arthritic pain to date at the age of 9 years).  Any
> > help would be greatly appreciated!
MK - 08 Apr 2005 12:50 GMT
> Hi!  I just found this group and was wondering if anyone here has any
> experience with canine asthma and/or chronic tracheobronchitis.  I have a
[quoted text clipped - 32 lines]
> has not given him any arthritic pain to date at the age of 9 years).  Any
> help would be greatly appreciated!

Hi,

Are we really sure this is asthma?  We just don't see asthma in dogs very
often, as in almost never.  It is seen in cats on a regular basis, however.
In cats, the diagnosis is made based on the symptoms and x-rays of the
chest, which show a typical asthma pattern.

Have x-rays been taken?  In a small dog, a collapsing trachea would be a
more common cause of coughing like you describe.  Unfortunately, there's not
a simple treatment for it.  You might also consider a broad-spectrum
deworming in case there are any parasites in the lungs.  I'm assuming he's
already been on antibiotics.

MK DVM
Fouchnickens - 09 Apr 2005 19:38 GMT
Chico has had two tracheal flushes and one x-ray to determine if he had a
collapsing trachea.  Both flushes came back negative for bacteria, and the
trachea was normal when he had his x-ray (although the x-ray was done when
he was sedated, which made me doubt the normal diagnosis of his trachea).
He is on Heartguard (ivermectin), which is the standard therapy for several
types of worms that would affect canine lungs in this manner.   His worm
tests also came back clean in February.   He has never been on antibiotic
therapy for his cough, although we did try Atopica with him for a while.
The first course worked, but he couldn't continue on the Atopica without
prednisone.

His cough is definitely in his throat area, and his lungs sound clear.  It
does sound like that the air in his lungs are being compressed as it is
expired, much like pinching the neck of a balloon to get that whistling
sound.  When the attacks are at their worst, he will drink water but them
vomit it up in a mix of water and viscous phlegm.

Theophylline 200mg does lessen the attacks, but the prednisone arrests them.
I would be willing to  give him  something else, but it seems most research
on animal lung diseases is done on horses.  If I  could find a supplement to
the  theophylline  (I've even increased his dosage to 300mg, but stopped
because I  couldn't find a  toxicity level for dogs), so  he is more
comfortable and helps  improve his mood (the coughing seems to  be
depressing his mood).  I have been trying these ayurvedic pills that largely
consist of pepper and ginger, which seem to make the phlegm more loose, but
not much more.  I also have been trying inhaled steroid therapy, but Chico
holds his breath or breathes from his mouth while using the spacer, so I've
given up on that temporarily until I can find a muzzle like mask so he can
only breathe the air from the spacer, even if his mouth is open (he's a
genius when he doesn't want to do something...)

The only reason I mention canine asthma because Chico grew up with two
outdoor cats, both of whom Chico loved to hang around (much to their
chagrin) -- he is so "cat identified" that when he is happy, he does this
rendition of cat purrs.  The older of the two cats had chronic hairballs in
her advanced old age, so I was interested in finding out if feline asthma
was zooinotic, especially since that's when his cough started.

> Are we really sure this is asthma?  We just don't see asthma in dogs very
> often, as in almost never.  It is seen in cats on a regular basis, however.
[quoted text clipped - 8 lines]
>
> MK DVM
Spot - 10 Apr 2005 18:32 GMT
Just so you know that in my cat when we upped the Theophylline she developed
problems with not being able to hold her bladder.  Skippi took 100 mg a day
and 150 was enough to cause the leaky bladder.  It doesn't sound like you've
had the problem with your dog but I thought you might want to know.

Celeste

> Chico has had two tracheal flushes and one x-ray to determine if he had a
> collapsing trachea.  Both flushes came back negative for bacteria, and the
[quoted text clipped - 48 lines]
> >
> > MK DVM
Fouchnickens - 10 Apr 2005 20:01 GMT
Actually, I've had a couple of "mysterious" accidents with Chico regarding
bladder control and theophylline -- but it's not a mystery anymore!  I
thought he was peeing in inappropriate places because he  had  been startled
or something.  Thanks for the info!

> Just so you know that in my cat when we upped the Theophylline she developed
> problems with not being able to hold her bladder.  Skippi took 100 mg a day
[quoted text clipped - 65 lines]
> > >
> > > MK DVM
 
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