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Discussion on Substitution of Previcox for Equioxx
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Member:
vickiann
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Posted on Thursday, Sep 22, 2011 - 11:01 am:
Dr. O,
I had a Vet out yesterday for Buddy and Perry.
Both were trimmed too short and Perry was additionally diagnosed as having an abscess in the toe/white line vicinity and is at risk for laminitis due to compensating.
The day before the Vet came I knew that I needed to stall him in deep shavings and treat as if he had laminitis because I felt the DPs in all 4 feet and he was very sore. Gave him 2 doses of Bute that day and he quickly exhibited signs of stomach pain. Managed to eventually control that by giving the Miracle Clay (Betonite clay) 6 hours apart from the Bute dose.
When Vet came yesterday he prescribed 1 Previcox (57 mg) daily for each horse.
This is a chewable dog pill and I have had no problem with the boys eating it in a small handful of feed pellets.
What is your take on this dosage for a horse weighing about 910 pounds and another at about 1170? I read your article about Equioxx dosing and am a bit confused with comparing that to the 57 mg pill.
Perry is stalled in deep shavings. He has a history of reactions to Bute and Banamine with his stomach and this is one reason for choosing this drug.
He is also receiving half a tube of GastroGard in the morning and 20 cc of Omperazole in the evening.
Buddy does not seem to be responding to the Previcox as well as Perry is with regard to the pain relief but Buddy is the heavier horse and he is still free to come and go from the barn so is on harder, wetter ground at least part of the day.
I had dosed Buddy twice daily for 2 days with a gram of Bute (that worked well) followed by one dose the next day, and yesterday and today just gave the one Previcox.
Also, I am soaking Perry's foot that has the abscess (Vet tried to dig it out and was unwilling to go any deeper than he did) for 10 minutes daily for a few days and then poulticing.
Vet told me to use comfortably warm/hot water and noticed your article says cold? Is there a problem with using the warmer water?
Thanks.
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Member:
gramsey1
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Posted on Thursday, Sep 22, 2011 - 12:50 pm:
We have been medicating one of our horses, a rescue with DJD, with Previcox for a couple of years.
He is a 1100 lb warmblood. We started with 1/4th of a 227mg pill. The same dose you are giving. I have observed that it is slow acting. Relief from symptoms soreness and swelling takes 48 hours. However, it seems to stay in his system for a couple of days too.
In my experience a daily dose to start but after three or four days try cutting back to every other day. I think you will continue to positive effects of the drug.
Be careful of mixing NSAIDs they can interact in unpredictable ways.
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Member:
brandi
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Posted on Friday, Sep 23, 2011 - 2:16 am:
Vicki, I too will offer my experience with Previcoxx. I've been giving it daily to 2 horses for over 1 1/2 years - both have zero tolerance for bute. We started with 57mg tabs, giving 2 tabs 1x/day for 2 days to each horse (one nearly 1200 lbs, severe nav disease and another 950 lbs, 30 yo w/ a great deal of arthritis), then one tab a day for several months. I wasn't happy with the results for either horse. We switched to half a 227mg tab on each horse and it made a bit of a difference in both after several days at the higher dose. We maintained them both at this level for about a year, and continue to do so for the navicular horse. The 30 yo is approaching his last months, and we have upped the previcoxx to a full 227mg tab each day (it's only been 2 weeks). It has not made enough of a difference to change my plans for not letting him see this winter  but there was slight improvement. Obviously, for him I am not concerned with his kidneys, as we are just trying to manage his pain for what short time he has left.
I buy my 227 chewables online at a great price (relatively speaking, of course).
I am glad for the Previcoxx, but in my experience, it does not provide the level of pain relief of either Bute or Banamine. I have a 26yo very arthritic QH who has been on 1 gm bute/day for literally 7 or 8 years, he's healthy, believe it or not. And, when I give him short breaks (a week or so once every couple of years, just to see if it's still working), it is clear he is benefitting. I wish all the horses could tolerate it like that!
I hope our experience is helpful.
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Moderator:
DrO
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Posted on Friday, Sep 23, 2011 - 7:53 am:
Hello Vicki,
Take the dosage in the article (it is expressed both in mg per lbs and kgs) and multiply times your horses estimated weight. That will give you the proper dosage. At the current recommended dosage, 57 mg firocoxib will treat many adult horses. Concerning soaking our article on abscesses agrees with your veterinarian.
DrO
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Member:
vickiann
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Posted on Friday, Sep 23, 2011 - 8:00 am:
Thanks Guy, Brandi, and Dr. O.
Things are about the same as when I started the horses on this medication but can say Perry is certainly tolerating it better than he does Bute or Banamine.
He is doing pretty well in the shavings but will have to stay there for a while at this rate.
Hope this abscess (if there is indeed one) resolves soon!
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