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  1. #1
    Join Date
    Jul. 2, 2003
    Location
    Woodland, Ca
    Posts
    6,201

    Default Really bad case of hives.

    My friend's horse started getting hives about 6 weeks ago. The vet put him on Dex and they got better, but as soon as he was taken off the drugs they came back with a vengeance. They actually ooze serum and are very itchy... they are all over his body, but did start on his head and neck. He's back on Dex, but I think they have not gone away completely.

    So far she has changed hay, changed bedding, changed grain and in complete desperation moved him to a different barn. He's 13 and never had any sort of allergy before this year.

    Any thoughts? Anyone have a similar experience? My poor friend is at her wits end.


    1 members found this post helpful.

  2. #2
    Join Date
    Apr. 2, 2011
    Posts
    931


    1 members found this post helpful.

  3. #3
    Join Date
    Dec. 2, 2004
    Location
    Eastern Ontario, Canada
    Posts
    1,470

    Default

    I had a mare that got a horrible case of hives -- oozing serum, etc. She ran a fever for a couple of days. She seemed to get a very bad sunburn concurrently. Most of her hair fell off. I can't remember what all we treated her with -- dex, for a couple of days, and SMZ, I think. Kept her out of the sunlight for 6 weeks.

    All we could figure out is that perhaps she ate something that made her photosensitive. I know that there was alsike clover in her hay, and some St. John's Wort in the pasture. She recovered fully, with no recurrences.



  4. #4
    Join Date
    Mar. 6, 2009
    Posts
    8,532

    Default Jingles & AO for this horse and owner ~ hoping he is feeling better ~


    Jingles & AO for this gelding ~ hoping he is feeling better soon ~
    Zu Zu Bailey " IT"S A WONDERFUL LIFE !"



  5. #5
    Join Date
    Jul. 19, 2003
    Location
    Middleburg, VA
    Posts
    12,906

    Default

    May be time to change the drugs. My horse went through a bad, unshakeable case of hives last winter. A course of prednizone finally shook them loose.

    But then you have to get to the root of the cause. I have done the blood test for allergies, which, really, aren't the greatest help (helped with my old horse, who had VERY cut and dry food allergies, but not really with this one). You could try the skin tests to rule out the issues, but it is pricey. The elimination process is the next thing, but I think first order of business is to kick the hives out of the horse's system.



  6. #6
    Join Date
    Apr. 9, 2007
    Location
    Zone IV/Area III
    Posts
    1,213

    Default

    Have you tried SMZs? Worked on mine.



  7. #7
    Join Date
    Jan. 29, 2002
    Posts
    1,610

    Default

    Please rule out Pemphigus (as suggested by Airhorse) with a punch biopsy. Do not waste time guessing with drugs when you do not have a diagnosis. This could be very serious. If the vet has not considered Pemphigus, find one that is more knowledeable and preferably a dermatologist.



  8. #8

    Default

    Have you changed any of his skin products E.I. shampoo,sprays,liniments,etc. Have you given him any new treats? Does he have a good amount of dandruff?
    Live Free Or Die Hard



  9. #9
    Join Date
    Nov. 18, 2010
    Location
    california
    Posts
    4,141

    Default

    omega 3



  10. #10
    Join Date
    Mar. 6, 2009
    Posts
    8,532

    Default


    Jingles continue ~ any good news update ? AO ~
    Zu Zu Bailey " IT"S A WONDERFUL LIFE !"



  11. #11
    Join Date
    Feb. 10, 2013
    Posts
    2

    Default

    What is SMZs?



  12. #12
    Join Date
    Feb. 10, 2013
    Posts
    2

    Exclamation Update on the hives.

    In desperation, I moved the horse 10 miles away. Put him on completely different bedding (again) and completely different food sources. At the new barn he got Teff grass hay and some alfalfa/oat cubes. I knocked the hives back with another 20 mg dose of Dex and by the 2nd day, the hives were coming back even with the 20 mg Dex. He was stressed and my efforts failed, so I moved him home where he is emotionally comfortable.

    My vet has 3 cases of hive going on in 3 corners of her practice area. (mine is the worst tho) We have discussed Pemphig multiple times and she does not believe that is what he has, although if we decide to sedate him to draw blood, I am planning on a biopsy too. He is needle PHOBIC, and not just a little bit, so alergy testing by injections is not practical or safe in any way.

    Last night I started tapering the Dex, we'll see today how he is doing. There is a theory about mold in the air due to the early rains and now sunshine. Even mistletoe is flourishing this year in CA...any thoughts?

    NOTHING I can figure out has changed in his diet or life at the time of the hives starting on 3 Jan 13. Horse has had no prooducts placed on his skin at all, doesn't have dandruff. I wish I could find the culprit. HELP!



  13. #13
    Join Date
    Sep. 15, 2008
    Location
    Michigan
    Posts
    1,470

    Default

    One of mine had bad hives last year. I had hoary alyssum in the hay I was using. I discovered that and immediately switched hay. Not sure if that was the source or not. He continued to get hives for over a month and finally they went away. I had taken him off all grain and started with a new hay.

    I also had one that broke out in hives from SMZ's, and those lasted a while too.

    I hope your guy clears up. Is he on any supplements? My niece (the human kind lol) has chronic headaches/migraines. She is only 7. She has been taking motrin for them. Well a few weeks ago she started getting hives and they found out she was getting them from the motrin. So new allergies can develop.

    What type of bedding have you used? I am wondering if shavings are bothering him. Have you tried straw?



  14. #14
    Join Date
    Jan. 29, 2002
    Posts
    1,610

    Default

    Quote Originally Posted by Hoarsenut View Post
    We have discussed Pemphig multiple times and she does not believe that is what he has,
    I wonder why?

    Generic Hives aka Uritcaria are dry and pit when depressed. It is the oozing serum that would suggest the possibility of the autoimuune disease or a fungal infection (ringworm).

    If you do get a biopsy, the fact that you're are giving steroid (dex) may alter the result to a false negative.

    I am noticing quite a few posts here and on other sites with horses coming up with some bad skin problems. Often, these posters don't return with a report of whether/how the case resolved.

    Equine skin diseases are complicated and the average vet isn't (imo) as knowledable as they could be about how to diagnose and treat.

    As for the SMZ's, I have to say that I am so sick of vets prescribing them for everything, without a diagnosis.



  15. #15
    Join Date
    Apr. 2, 2011
    Posts
    931

    Default

    Was the horse wormed recently? Our pemphigus horse erupted after being wormed.



  16. #16
    Join Date
    May. 4, 2003
    Location
    Canada
    Posts
    14,147

    Default

    So interesting! My mare came up with hives last summer. Treated with Dex for 3 days, came back, more Dex, came back, a/b's came back. They came back so badly her hind legs were so stocked up she was oozing serum, too. Nothing had changed - in her turnout paddock, feed, supplements, etc. Her brothr was unaffected.
    She was only on the same local hay I had brought in earlier in the year, cut out all grain, everythig...

    Finally, I took her down to my vet's place and from that moment they went away with no medication. Four days later brought her home and she was fine.

    Go figure - 'cos we can't.
    Proud member of People Who Hate to Kill Wildlife clique



  17. #17
    Join Date
    Mar. 6, 2009
    Posts
    8,532

    Default Jingles & AO continue ~

    Could it be 'something' you're wearing a different product or a new product in the barn ....look around again ``` new leather tractor tires .. spray disinfectant ???

    Jingles & AO continue ~


    check pollen counts in your areas ?
    Zu Zu Bailey " IT"S A WONDERFUL LIFE !"


    1 members found this post helpful.

  18. #18
    Join Date
    Jan. 9, 2011
    Posts
    139

    Default

    Last summer a lot of horses in my area (including mine) came down with persistent cases of hives that didn't respond to the usual treatments. Some vets were prescribing SMZs; i never really understood the rationale, but something to do with a secondary fungal infection--? I resisted for quite a while (with my vet's approval), because I don't see how antibiotics would treat an apparent allergic reaction. Finally after several months of this, out of desperation I tried a course of SMZs and the skin problems cleared up immediately and stayed away (same story with numerous acquaintences). Sure wish I'd tried it sooner...Maybe someone can explain why it worked.



  19. #19
    Join Date
    Jul. 2, 2003
    Location
    Woodland, Ca
    Posts
    6,201

    Default

    Horsenut - SMZ is TMS in Califonia.



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