mysterious mouth sores

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mysterious mouth sores

This is a discussion on mysterious mouth sores within the Horse Health forums, part of the Keeping and Caring for Horses category
  • Mysterious white blisters on lips
  • Mouth canker in foals

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    12-14-2009, 08:44 PM
mysterious mouth sores

I have a 2 1/2 year old arabian gelding who has very small, blister like sores in his mouth. He has them on his gums and inside his lips on top and bottom. I first noticed them at the beginning of the summer and have not been able to figure out what they are or how to treat them. He eats and drinks fine, but I do belive they are irritating to him at times.

In nice weather he is allowed into a larger pasture and I thought maybe he was finding something out there that he was eating and having a reaction to. He has now been off that pasture awhile and the sores remain. Otherwise he has had no changes in his diet. I thought maybe it was something in his grain, but he has eaten the same brand of grain his entire life. My vet has been out to look at him and she too is unsure of what they are.

I know they are not being caused by irritants in hay (fox tails), vesicular stomatitis, blister beetles, and they are not ulcers.

They are very small ( ~ 1/8" in diameter if that) and look almost like cold or canker sores.

I was thinking they might possibly be caused by some virus or parasite but I can't find anything that seems likely.

If anyone has any advice or experience with anything like this I would greatly appreciate it!
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    12-14-2009, 08:48 PM
Hoof and mouth maybe? Deer spread that, if I'm rembering correctly.

Fyi on blister beetles.. they're deadly. They'll put your horse in renal failure quickly
    12-14-2009, 08:54 PM
If you could get some pictures that would probably help a lot xD

Have you tried touching them at all? Are they white/pinkish in color or more of a reddish tone? Its possible that he have developed an allergy to the grain, especially since he's less than three. You said he's been fed the same grain his whole life, and that the blisters first started popping up almost six months ago. Do they come and go, or are they pretty much there all of the time?

Haha, those were all of the questions that I could think up of to help narrow it down some....the only thing I can think of is since he's so young, he might have developed a grain allergy.
    12-14-2009, 09:03 PM
They are more of a white/pinkish color and are there pretty much all the time. Sometimes he will only have a few here and there and then maybe a week later he'll be broken out more severely. It seems to vary. I will try and get some pictures tomorrow if I can.

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