Urgent - any experience of worrying symptom? (Long)

Box_Of_Frogs

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I'm posting on behalf of Llwyncwn's rescued Section A-type pony. Bonnie is a poppet and usually as tough as old boots but a horrifying incident happened today. Llwyncwn is probably sitting up all night with Bonnie as I type this.

The dentist came today to see Bonnie for a routine check up. As a rescued pony, Bonnie is very nervous of strangers but has seen the dentist regularly before and, apart from light sedation a couple of years ago to have some electric rasping done, has been ok. The dentist is a true professional and has a calm and reassuring way about him, so is above reproach.

Llwyncwn was up to her ears in work so the dentist - who was to see loads of horses there today - quietly got on with his work. Horrifyingly, Bonnie lost the plot completely and was so terrified that she thrashed about and eventually reared and lashed out with her front feet. She has never ever done this before. At one point, she cracked her head, with the gag fitted, against the brick wall of her stable. The dentist wisely stopped at that point and rang down to advise Llwyncwn what had happened. She went straight up and although Bonnie was a little wild eyed, she saw nothing amiss.

A couple of hours later, Llwyncwn went up to Bonnie and her other horses to turn them out for the night. Bonnie was having some sort of a fit, a little like a petit mal epilepsy fit. The side of her head was covered in shavings but that was the only part of her body that was. Bonnie NEVER lies down in the stable. She was standing up with her eyes as wide as a terrified deer. She was trembling all over with tics and twitches in almost every muscle in her body. Even her mouth, tail and (when the vet took her temperature) her rectum and vagina were in spasm. Her temperature and pulse were normal. All the tics and twitches were uncoordinated, ie not all twitching in sync but a generalised and random twitching of her whole body. The only way I can best describe it is Bonnie looked as if she had just been rescued from being stuck in a half frozen lake for hours and was suffering shock and hypothermia.

The vet came immediately - the twitches were getting worse. A few times, Bonnie took some strange steps and we all thought she was going to collapse. It is possible that Bonnie was in severe shock after the dentist and half fell, twisting her neck and causing some sort of spinal cord damage. The vet also thinks she may have had a fit brought on by stress. The vet gave Bonnie a low dose of diazepam to see if gentle sedation would settle her but it made no difference. Shockingly, the vet said that she would like to administer a low dose steroid as if Bonnie had been having a fit or had hit her head hard and had a bleed in the brain, it would stop the swelling. The vet said she had only seen this once before in a newborn foal that turned out to have meningitits. She has seen something similar in lactating mares who go into calcium shock, but Bonnie is in her 20s and is most definitely not nursing. If she deteriorates further, the vet is going to administer a calcium drip just in case because there isn't much else that can be done.

I spoke to Llwyncwn at about 8pm and Bonnie had settled a little so that could have been the steroid injection, or the diazepam or who knows what. It remains touch and go but I'm hoping Bonnie will rally overnight.

Please, please, has anyone ever heard of this before? Or experienced it with their horse? If so, what helped, if anything and what was the outcome?
 
Copied from my reply in NL

Thanks everyone for your vibes. Bonnie has stopped the tremors and apart from her looking a little spaced out in the eyes (probably results of the diazapam), she has eaten her breakfast and is pretty much back to her normal self.

I am concerned about the steroid injection she had last night. Vet said that if she went down with laminitis, it would be within the next couple of days. Do I turn her out on a small electric fenced 'fat paddock', walk her gently in hand or could walking induce laminitis through concussion, or should I keep her stabled ?

scotlass - your post is very interesting. Vet didnt mention Carbamazepine but I will ask her today.

She definitely didnt have any sedation from EDT.

Huge thanks to Box_of_Frogs for her shoulder and support.

In all my years I have never seen anything like this and TBH it scared the life out of me. My equine vet was wonderful and has vast experience, but was scratching her head a little, so any vets out there or owners with similar experiences, please pass on any suggestions/ideas you may have.

Hx
 
Sorry, no personal experience of this. Just wanted to say i hope your mare recovers with no lasting damage. In the meantime i would look after her as if a laminitic, i.e minimal grass and no concussion on feet. That way you are keeping the risk of laminitis to the minimum.
Good luck, i really hope you manage to treat her successfully
 
Yes I've seen something similar, again in a foal with meningitis, after a few hours of very odd disoriented behavior, falling down and right over backwards etc. she was treated with intravenus anti inflamatories and antibiotics then became unconcious and remained so for at least 3 days. Fortunately my daughter in law quickly learned to stomach tube her via the nose, so we milked the mare and fed her. She made a full recovery after being abit woozy for a couple of days.
She was only 4 days old when it happened, she is now ridden regularly and it seems to have no bad effect at all except that she is perhaps an insch or two smaller than we had expected.
I do hope the pony makes a good recovery, it's such a shock when things like this happen. Thinking of you all.
 
The most important thing is that Bonnie seems to be getting better. My horse does have epilepsy, in fact she had a fit on Friday morning. I collect cases from all over the world, and the most common breeds for seizure episodes are welsh and arab. My mare is welsh D cross and has a bit of extra arab in their somewhere. Sometimes a period of great stress can cause seizures, and Bonnie's age doesn't help. Most cases start in their teens. The vet did the right thing with the steriods believe it or not. A wack on the head can easily cause problems in the brain. Hopefully she will come out the other side with no ill effects and no further seizures - they are often a one-off. Feel free to PM me if I can help more.
 
Thank you fatpiggy, your post is very interesting reading, especially Welsh being a common breed to suffer seizures. I didnt witness Bonnie's fit or her hitting her head, only the aftermath which was distresssing enough and hope I never have to witness a seizure. Hope your mare has recovered after Fridays episode
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To update, Bons went out on Sunday for 3 hours on a rough paddock with her companion and she was very tired when she came in. There have been no more muscle spasms since to my knowledge (still checking every couple of hours or so), and yesterday she had 5 hours out.

I still dont think we are out of the woods yet as we dont know exactly what or why it happened, apart from the stress of the EDT and me not being there. I am convinced that giving her a syringe of Coligone on Sunday morning and the powder in her feed ever since has completely calmed her. I am amazed that stress has done this, but I now know that this is the major factor to cause fits in humans and other animals.

Will continue to monitor her carefully over the next couple of days and would very much like to chat and swap notes. Thank you again for this.

Hx
 
My dentist told me he has had horses "faint" while he was rasping their teeth - arabs particulary. A faint can look like a seizure as there can be twitching etc. Last year when he was doing mine she flinched and looked vacant at one point so we stopped for a few minutes. He thought he might have twanged a nerve and given her history, didn't want to cause any problems. Peculiarly, I would say from my own findings, that most seizures occur when the horse is relaxed, not stressed, although they may have been stressed, say, the day before. It took me 4 years to realise that my horse's seizures are caused by her hormones. Just watch your pony carefully, but try not become paranoid. Leave that to me when I'm watching mine on Saturday morning!!
 
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