See:
http://www.thelavendercat.com/generic17.html
http://www.thelavendercat.com/generic.html?pid=10
Why Cats Can't Metabolize Essential Oils:
Cats are known to be deficient in their ability to
eliminate compounds through hepatic glucuronidation
(they lack enzyme glucuronyl tranferases).
Glucuronidation is an important detoxification
mechanism present in most animals except cats. Lack of
this important detoxification mechanism in cats may
result in slower elimination and thus build up of the
toxic metabolites in the body causing toxicity.
http://www.holisticat.com/aromatherapy.html
cats cannot tolerate or metabolize essential oils.
Their use can lead to symptoms of toxicity or even
death. Why can cats not tolerate the oils? There are
several reasons. The major one is that they cannot
metabolize them the way that dogs or humans can. (they
also cannot metabolize certain herbs or allopathic
meds, either) This means that they are not efficiently
excreted by the body and can build up to toxic levels.
Symptoms of toxicity include vomiting, dizziness,
clumsiness, lack of appetite and lack of energy. The
next one is that cats have very thin, delicate skin.
This means that essential oils can be absorbed more
rapidly into their skin and enter the bloodstream.
Cats also dislike strong odors and generally keep away
from strong scents- even highly diluted essential
oils.
http://www.vet-task-force.com/Abstract-tea-tree-oil.htm
Australian tea tree (Melaleuca alternifolia) Oil
Poisoning in three purebred cats. Bischoff K, Guale F
Journal of Veterinary Diagnostic Investigation 10, 208
(1998)
-----------------------------------------------------------------------------
Three Angora cats treated with undiluted tea tree oil
dermal route. O. got it from a pet catalog sold as
flea treatment. Within 5 hours, the first cat was
hypothermic and uncoordinated, alert but unable to
stand. Later that day, cat 2 was admitted comatose
with severe hypothermia and dehydration. Cat 3 was
conscious, nervous, trembling, and ataxic. All the
cats smelled of tea tree oil. Cat 3 spent one day
being treated and cat 1 spent two days being treated
in the hospital but then both went home. Cat 2 died on
the third day.
The article states: Tea tree oil contains 50-60%
terpenes, toxicity is "similar to other essential oils
such as eucalyptus oil." Toxicosis in humans has
resulted from ingestion of 0.5 to 1 cc tea tree oil
per kg of body weight. The 3 cats had about 20 ccs
applied to them (each). Says cats may be more
sensitive to this toxicosis than dogs, but that the
tea tree oil toxicosis has been reported in humans,
rats, dogs, and cats. Most patients have clinical
signs of central nervous system depression. Dogs and
cats with tea tree oil toxicosis will appear weak,
obtunded, uncoordinated, ataxic, and usually have
muscular tremors. Cats may exhibit signs of liver
damage. Toxic components are fat soluble and rapidly
absorbed via skin and GI tract. There is no antidote.
Treatment involves general detoxification, supportive
care, bathing with mild detergents, using activated
charcoal if ingested.
This directly from the author of the post: (McCashin):
FW with permission:
Most of us know the warnings of use for cats and small
dogs.
As you can see toxicity can occur in even very large
dogs (bullmastiffs in
this case).
----------
From: McCashin <mccas...@paradise.net.nz>
Subject: Tea Tree Oil Toxicity
Tea Tree Oil Toxicity
Yesterday evening while I was brushing over the dogs I
noticed a few new
abrasions so I grabbed for the bottle of Tea Tree Oil
and dabbed a few drops
of the oil onto them. It states on the Thursday
Plantation bottle that it
is a 100% Pure, Antiseptic-Fungicide-Germicide and can
be used on skin
infections, boils, pimples, cuts, insect bites, for
nasal congestion and on
minor burns. The directions are: Apply 2 drops twice
daily to the affected
area.
I dabbed a total of 6 - 10 drops of the Oil directly
onto the dogs at
different areas and they went off to their beds for
the night as normal.
In the morning when Tony went down to let them out of
their beds they could
not get up, they were shaking and in a fair amount of
discomfort, they were
disorientated and appeared to be high and not in
control of their bodily
functions. Both Tony and I eventually carried the dogs
out from their beds
and placed them on their feet, where we had to hold
them up otherwise they
would literally fall over as they could not support
themselves. By this
stage I was frantic wondering what was going on, where
had they been, could
they have eaten anything poisonous. By a quick process
of elimination I
realized the only thing they both had different was
the few drops of Tea
Tree Oil each.
I phoned the vet and described how they were and said
I thought it could
have been from the use of the Tea Tree Oil, she
couldn?t see how a few drops
of a Natural product like Tea Tree Oil could cause
such a reaction but
advised me to wash the dogs to get rid of any oil left
on the skin and phone
her and advise her of their situation after that.
While Tony bathed the
dogs I went searching the Internet to see what I could
find about Tea Tree
Oil and if there were any possible problems from it?s
use. To my horror I
discovered quite a bit of information on how toxic it
is to our animals.
When I phoned the vet again and read her the article I
had from the Internet
and explained that the symptoms of toxic poisoning
from Tea Tree Oil were
exactly what they were presenting with, she said to
get the dogs to her
ASAP. They were both put onto IV drips to flush out
their systems and my
male who was having severe muscle spasm and pain was
also put onto morphine
and given a substance to line and protect his stomach.
I was able to bring them home for the night to monitor
them as the vet
thought they would be less stressed at home. My boy
had a very disrupted
night because of the morphine but today they have both
begun to regain
control of their bodies and are now able to walk, be
it ever so slowly. They
are still showing signs of discomfort but hopefully
within the next 24 hours
they should be back to their happy selves
What I have experienced may shock some, but it seems
Tea Tree Oil although
touted as a ŒNatural? antiseptic-antifungal product,
implying to most that
it is safe and for use on everyone, can actually be
fatal to our animals.
Some animals only need to inhale the oil to have it
affect them in this
terrible way and some animals have died as a result of
the Tea Tree Oil.
I know I for one will never open another bottle of Tea
Tree Oil againS<caron>
Tea Tree Oil ToxicityS<caron>
Tea tree oil contains 50-60% terpenes; toxicity is
similar to other
essential oils such as eucalyptus oil. Toxicosis in
humans has resulted from
ingestion of 0.5 to 1 cc of tea tree oil per kg of
body weight. Cats may be
more sensitive to this toxicosis than dogs, but tea
tree oil toxicosis has
been reported in humans, rats, dogs, and cats.
Most patients have clinical signs of central nervous
system depression. Dogs
and cats with tea tree oil toxicosis will appear weak,
obtruded,
uncoordinated, ataxic, and usually have muscular
tremors. Cats may exhibit
signs of liver damage and could die as a result. Toxic
components are fat
soluble and rapidly absorbed via the skin and GI
tract. There is no
antidote. Treatment involves general detoxification,
supportive care,
bathing with mild detergents, using activated charcoal
if ingested.
I have learned that 100% Pure Tea Tree Oil is an
?Essential Oil<sum> and because
of the potency of all essential oils it should be used
with extreme caution.
In my opinion it should come with a WARNING on the
label, it can be
extremely toxic to our animals and my advice would be
to keep T. Tree Oil as
far away from your animals as possibleS<caron>
Karen McCashin
McCashin Bullmastiffs NZ
From: Roman <ro...@front.ru>
Tea tree can be great but it has the potential for
being very toxic to dogs
and is an ABSOLUTE no-no for cats (any EO is).
Do you know why it is so?
Roman
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