Convulsing Horse

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Convulsing Horse

This is a discussion on Convulsing Horse within the Horse Health forums, part of the Keeping and Caring for Horses category

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    07-04-2010, 03:54 PM
Unhappy Convulsing Horse

My horse had been acting a bit odd for about a month-for instance he felt like he wasn't all with it when being ridden and breaking down his stall door without breaking down the stall guard (all he would need to do is push and he would be free, but he didn't) and then his striding at the canter was off so I called the vet and he said to just put him on bute for two weeks and see if it clears up.

After about a week and a half my horse seemed to be back to normal, but then the next day I was leading him into the barn and he stopped and just started shaking uncontrollably.

It started with him chewing like he had just been wormed and then it looked like he was going to swallow his tongue. He had his head bent around to the left and his jaw was set crooked. This went on for a few minutes and then we walked him out and he was fine. By the time the vet came out he was back to normal, but because he was still off in the front, we figured he had just been writhing in pain due to a pinched nerve or or pulled muscle in the shoulder. I then went back to giving him bute, stretching out his legs, and rubbing absorbine on his shoulder.

Once again after two weeks he appeared to be normal and we were getting back up to our usual amount of work and then this morning my friend who witnessed the first attack was riding him back from the creek (nothing more than a walk) and he backed up and started shaking again, but this time only the left side of his face was affected.

Like I said before the vet HAS been involved and he did test NEGATIVE for EPM. Has anyone else experienced anything similar?
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    07-04-2010, 05:51 PM
Get a different vet immediately. That could be any number of things from being poisoned with a toxin such as locoweed or it could be something like HYPP. All of which need to be addressed by a knowledgeable professional this instant.
    07-04-2010, 05:55 PM
Green Broke
EPM is the last one I would have thought on this one since that typically effects the hind end. The vet needs to do a more thorough diagnosis or find a new vet.
    07-04-2010, 07:39 PM
Super Moderator
First you need to ask if the horse is a QH. Then ask if it is a descendent of Impressive. If it is a quarter horse and ancestry is unknown then HYPP is a possibility, however I wouldn't scream get a new vet immediately just yet. Although, EPM isn't usually associated with seizures so I would think it would be something else. I'd lean more towards HYPP but like I said before, it has to be a QH with Impressive in it's lineage, and it would have to be HH or NH.
    07-04-2010, 08:19 PM
Hes a tb/standardbred cross so hypp isnt an option =\ and I forgot to put in that the first time the vet was out his hind end was a little off but that cleared up with the first round of bute
    07-04-2010, 09:57 PM
I would still have him tested for HYPP ... I have known several NON impressive bred horses show up with it in my area!!!
    07-04-2010, 10:04 PM
I just ran out to the barn and someone else is having my vet out this wednesday so ill be sure to bring it up. Thank you!
    07-04-2010, 10:09 PM
Are you able to have the horses brain scanned? Sounds like it has a tumour to me & I would be asking the vet to check this out. I would hate for you to be really badly injured from one of the horses episodes.
    07-04-2010, 10:21 PM
I also just watched some hypp videos and his attacks seem to be more of a shaking than a twitching if that makes any sense. Then again I've never seen an hypp attack so my information may not be accurate.
    07-04-2010, 10:23 PM
If brain scans ran on love I would be able to do it in a heartbeat but I don't have the money and even if they found something would there be anything noninvasive they could do?

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