Melanomas and high breathing rate? - The Horse Forum
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post #1 of 4 Old 11-02-2008, 03:00 PM Thread Starter
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Melanomas and high breathing rate?

A few weeks ago we moved my horse back to our old barn after boarding at a different barn for about 6 months. Not long afterwards (a few weeks maybe) I had him on cross ties and noticed that he was not passing very much poo at all, but what was there looked quite normal. He is a 15 y/o grey Connemara gelding and has had melanomas under his tail for a while now, but up until this point they had never actually caused any problems. This made me look at the rest of him to see if there was anything else wrong and then noticed that he was also breathing too quickly and heavily. I was concerned that he had some kind of digestive problem and walked him around until a vet showed up, and they said that his lungs sounded normal and his gut sounded fine but a bit inconsistent and gave him a rectal exam, which was mostly normal other than his rectum was slightly smaller than it should be due to the melanomas. They decided that he was probably breathing hard because he was dehydrated and stuck a hose up his nose and pumped in a concoction of water, mineral oil, and a bunch of other things, but also gave us some antibiotics in case he had an infection.

Now it's a week later, and the infection that they said should have gone away in a few days hasn't changed at all. We don't think it's an infection anymore, although he is still having as much trouble with the heavy/too quick breathing and passing his poo. Another vet has said we need to take him to the area's horse hospital to get an evaluation about possible treatments for his melanoma problems which are only going to get worse as he ages.

Ok, so sorry that was so long and I appreciate anyone who read it all. My main question is whether anyone has had any experience with something like this or knowns about anything similar. I am suspicious about just blaming it all on the melanomas, since the pooping problem came on suddenly (which doesn't entirely make sense if they were growing slowly) and it showed up at the same time as the breathing issues right after we moved to a different barn.

Thanks for your help or at least taking the time to read this.
Gilsey is offline  
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post #2 of 4 Old 11-02-2008, 05:04 PM
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the only thing I can suggest is to get a second opinion from another vet
I hope he does alright
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post #3 of 4 Old 11-02-2008, 09:23 PM
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Melanomas can spread internally and cause issues and with the fact that melanomas appear to be constricting his rectum and/or colon this needs to be considered. The fact that your horse has continued for several days now to have trouble passing feces and have an elevated respiration rate (indicative of discomfort) warrants further evaluation. Going to an equine hospital or veterinary teaching hospital at a college would be a very good idea as they will have access to more diagnostics than your local vet.

A good idea would also be to switch him to a easily digestible diet and limit access to very coarse/stemmy hays in case there is more than just the stricture at the end of the GI tract.

Please read this article as it may help you:

Cindy D.
Licensed Veterinary Technician

Last edited by Ryle; 11-02-2008 at 09:29 PM.
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post #4 of 4 Old 11-02-2008, 11:07 PM Thread Starter
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We're definitely taking him to the hospital this week for melanoma evaluation and treatment, I was just wondering if anyone knew of anything else other than the melanomas that could cause these symptoms. Like if you didn't know that this horse had melanomas, could you think of any other disease/condition he might have. I know that this isn't a substitute for seeing a vet but was just wondering if anyone had some kind of similar experience.
Gilsey is offline  

disease , infections , melanomas

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