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  1. #1
    Join Date
    Jun. 25, 2007

    Default Brown nasal discharge, one side only?

    My horse has a brown discharge in his left nostril only. It has no odor. When it dries, it is a tad "gelatinous" looking and crusty. When I wipe it with a paper towel, it's brown with a tinge of blood. I checked his nostril for signs of a bite or abrasion and cannot see anything. After I wipe it, it comes out clear for a bit (like normal...just a tiny bit) but when I visit again hours later, the brown "crust" is there. No fever or discomfort and he acts completely normal, eating well. He and another horse play bit ALOT so my first though was that he got bit in the nostril.

    Are the other possibilities sinus or tooth issue? He is due to have his teeth done so I guess I'll get that scheduled asap. Dentist is also a vet. Thanks!

  2. #2
    Join Date
    Dec. 14, 2007
    Wilsonville, Ontario, CANADA


    99% certain that its an infected sinus cavity on that one side

    A stallion I had many years ago had the same thing and it would drain brown and then an abcess would pop just under his eye on that side, by the cheek bone and it would drain from there

    With him, it always burst in that same area before we had a chance to go in and do anything about it. Not sure what the vet will need to do to alleviate it prior to that happening

    Good luck

  3. #3
    Join Date
    May. 23, 2009
    Texas Hill Country


    Does the discharge smell pretty terrible? My mare had that. It turned out to be an infection from a tooth that had been inexpertly extracted. After that experience I now routinely sniff all my horses' nostrils as part of my Cronal Get-To-Sleep-At-Night plan.

    ETA: Oops, I see you mentioned that the discharge has no odor. Never mind.
    Last edited by The Crone of Cottonmouth County; Nov. 11, 2012 at 09:57 AM. Reason: error correction

  4. #4
    Join Date
    Jun. 30, 2006
    Middle Tennessee


    Brown tinge usually equals dried blood. If he's acting normal and all his vitals are normal, I'd just watch him. He probably banged his head or has minor sinus irritation.

    A rare, but very serious/fatal condition that presents with trickle nosebleeds is guttural pouch mycosis. So if the discharge persists, I'd definitely call the vet.
    Don't fall for a girl who fell for a horse just to be number two in her world... ~EFO

  5. #5
    Join Date
    Jul. 3, 2012
    Twin Cities


    As others have said, brown is most likely dried blood. Tooth issue is a possibility.

    I had a half lease on a horse with something similar, small amounts of orange discharge from one side. Owner wouldn't get a dentist with sedation & speculum. grrrr

    hope he is ok.

  6. #6
    Join Date
    May. 17, 2008

    Default brown discharge

    Do the horse and yourself a favor and have him scoped! Not a expensive or hard to do procedure, and it's much better than guessing what is creating the dried blood.

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