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Old May 22nd, 2010, 02:37 PM
kungfuMao's Avatar
kungfuMao kungfuMao is offline
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Kitten with tritrichomonas foetus

Hello Cat People

We just found out that our Mukmuk has the tritrichomonas foetus parasite. It's a particularly resistant protozoan that lives in his bowels. It causes chronic diarrhea in (usually) young cats. Has anyone ever had experience with this? I've also read that it can be a problem in rescue shelters/catteries. I wonder if I should notify the rescue that Mukmuk came from, as "heads-up" information.

Our vet clinic was excellent. We will hopefully start treatment early this week (after the long weekend). Pray that there will be no neurotoxic reactions in our Mukmuk as that is a potential concern with the drug used to treat the T. foetus.

Will keep updating as we progress....
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Old May 22nd, 2010, 02:53 PM
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I've never had a cat with trich but I definitely think that you should notify the rescue place that Mukmuk came from, and you might give them the name of the vet and phone no. of the vet who diagnosed it. Certainly hope the medication eradicates this parasite. Hope all the best for Mukmuk.
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Old May 22nd, 2010, 04:11 PM
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Dr Lee Dr Lee is offline
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It is a very resistant protozoan. Typically Ronidazole is the drug of choice. It is (flagyl) Metronidazole's big brother. As it does cross the blood brain barrier, some cats will have neurologic signs which will go away with a decrease or cessation of the medication.

Here is an excerpt from a client education on Tritrichomonas. It is written by Wendy C. Brooks, DVM, DipABVP
"How do Cats get Infected?

T. foetus organisms are shed in the feces of an infected cat. Most commonly, transmission occurs when cats share a litter box as the organism can live up to 3 days in fecal material. Any time a cat steps in the feces of an infected cat, organisms can be transferred to the paws and later licked up during grooming.

In the past, several different antibiotics have been reported to be effective but it turns out that this is probably an overestimate since 88% of cats will resolve their diarrhea spontaneously within 2 years. They will still be infected, or at least 57% of them will be, but they will have normal stool and they may relapse with stress.

One treatment option is to simply wait for resolution if the household does not have a large number of cats and the diarrhea is not excessive.
The only drug that is felt to be reliable against T. foetus is ronidazole, and its use is far from straight-forward. Here is what to know:

Ronidazole must be compounded to get a dose in a suitable size for cats.

Ronidazole is not licensed for use in cats; it is a poultry antibiotic. It also tastes really bad and should be provided in capsules rather than as an oral liquid to avoid the taste.

People must wear gloves when handling ronidazole.

The most common side effect in cats is neurotoxicity, which means it is not appropriate to use ronidazole as a trial to see if a cat with colitis improves on it. Ronidazole should be used only in confirmed Tritrichomonas patients.

Neurotoxicity manifests as loss of appetite, incoordination, and possibly seizures. Some experts recommend engaging the cat in play on a daily basis to assess muscular coordination and agility.

Cats being treated should be isolated from other cats in the home to prevent reinfection.

It is not possible to fully confirm that an infection has been eradicated as a negative PCR test does not rule out infection. Experts recommend a PCR test in 1 to 2 weeks after treatment and again 20 weeks after treatment as the closest we can come to confirming eradication.

Ronidazole is usually given once daily for 2 weeks. The diarrhea should be resolved by the end of this course."
Christopher A. Lee, D.V.M., C.V.L.S.
Promoting surgical options and pet comfort through the use of lasers.

Last edited by Dr Lee; May 22nd, 2010 at 05:27 PM.
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Old May 23rd, 2010, 12:02 AM
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kungfuMao kungfuMao is offline
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Thanks, Dr. Lee! I appreciate the information.

Will have to get some gloves...

Here's hoping Mukmuk won't experience any neurotoxic side-effects and that our other cat Maomao hasn't picked up the nasty parasite
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Old May 23rd, 2010, 12:23 AM
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Speedy healing for Mukmuk & Maomao hasn't picked it up

I think it's a good idea to tell the rescue just in case they have had others with the same symptoms but no firm diagnosis yet, the info may point them in the right direction
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Old May 23rd, 2010, 08:24 PM
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hazelrunpack hazelrunpack is offline
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Holy catz, kungfuMao, that sounds like a nasty one.

for a successful treatment and a quick recovery for Mukmuk!!!
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