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Thread: What anti histamine for itchy dogs?

  1. #1
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    Default What anti histamine for itchy dogs?

    Both our pooches are scratching like hell. Mainly belly, chest, legs (very badly) and around the tail (just as bad).

    Roxy had the same problem last year around about the same time and the vet said it's an allergy - probably to some grass. It was far worse last year but she now starts again to scratch. Nowhere nearly as bad though. I put it down to her belly fur having grown back after desexing last year.

    This year Nero is suffering too - he hasn't had it the last year but this year is pretty bad. I suspect an allergy for Nero a well as he is itchy at the same spots as Roxy. But I'm not sure because he's never had that before and he also had a very itchy bump on his butt, which must have burst at some point because he then had a scab that fell off. It healed nicely but now I think it might be coming back?! Looks like a pimple to me and it always appears on the same spot.

    Going to the vet is a friggin' nightmare so I'd like to find out first whether it's an allergy or not. I read somewhere that there are anti histamines that are suitable for dogs and which I can buy over the counter. Does anyone know what they are called? I'd like to rule in (or out) allergy before I take the trip to the vet. Because if they really just have an allergy, I guess it's no point going. Then it's just a matter of finding out what causes the allergy. I.e. 'stay out of the grass and have an oatmeal bath a day' ... all of which they're going to HATE'

  2. #2
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    [Darn, my post keeps breaking because of the URL?!]

    I researched this for my allergic cat a while back and found this article quite useful: http://communityvet.net/2009/07/diy-antihistamines/

    The table shows you the side effects at a glance. Some are common names here, but you may have to google some to find out what the Australian equivalent of the US name/brand is.

    The ones I tried didn't help my cat, but then she probably has a food allergy, so very different.

    Hope you find something that works.
    Last edited by Beloz; 09-25-2013 at 01:39 PM.

  3. #3
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    I've used Polaramine for itchy skin allergies - it's heaps cheaper from the chemist than the vet - but apparently there's a bunch of antihistamines that are ok for dogs;

    Ingleburn Vet - Antihistamines

  4. #4
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    Great! Thanks heaps

  5. #5
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    My vet used to tell me to use phenergen which I got from the chemist. It can make your dog a little drowsy, so I used to only give her half the dose and it worked fine.

    I googled and found this

    Yes it appears you can give Phenergan to dogs. The dose is 1mg/kg twice daily.
    See: Ingleburn Vet - Antihistamines

    I would check with your vet first.

  6. #6
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    One of my vets prescribed Frosty "Periactin"

    we have the 4mg tablets and instructions are give one tablet - twice a day. She's about 22kg

    On the side of the pack it has a warning about not driving or operating machinery - so I imagine they're for humans too.

    From Dr Google
    Periactin tablets contain the active ingredient cyproheptadine, which is a type of medicine called a sedating antihistamine.
    I also gave her zyrtec - half a tablet - before I got these.
    Active ingredient Cetirizine HCl 10 mg

    Mostly what I do now is encourage her to lie on a tarp with a towel on it on the lawn in the back yard. ie no more lying directly on the lawn. And I think she kind of gets the message that lying on the lawn will make her itchy but she still crawls around on the grass at the park.

  7. #7
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    I have tried Polaramine and Claratyne with no effect.
    What works for one dog won't work for another, apparently it's all trial and error until you find one that is effective.
    There is also a doggy one which is only available under prescription from the vet.

    It's heartbreaking to watch them constantly scratch and bite at their skin and not be able to help. Do your dogs have a rash? The pimple thing on Nero's butt sounds odd.

  8. #8
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    OK. I didn't know it's such a trial and error thingy. But maybe I can put the rest to use by making some seafood pasta. I haven't had prawns in years. Yumm

    There is no noticeable rash. Sometimes they're a little red, but it's not really a constant rash. I'm almost sure now it's grass because OH took them yesterday to the forest instead of the reserve - and today it's much better. They still itch but nowhere near as bad. Nobody cuts the grass in the reserves where we walk the dogs. By now they both disappear in the long grass and absolutely love it to play there. Such a shame... but it's getting too dangerous to play in the long grass anyway because of snakes.

    Hyacinth... is that tarp in your picture? I was always wondering what she's doing in there.

  9. #9
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    Fingers crossed that it is the grass and you have an answer to the cause, it makes it so much easier to manage!
    For my girl it's being washed! I have spent a fortune on every known shampoo & conditioner for sensitive skin and still haven't found one. She starts itching about 5 or 6 hours later and it's intense for up to 5 days!
    Having said that, fortunately she doesn't need washing very often, but she does need regular clipping and the groomer will only clip freshly shampooed hair.
    I can't blame the clipping for her itch because the itching is the same when she's bathed and not clipped.
    The only positive is that it only occurs after bathing, ie it isn't constant

  10. #10
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    Margoo

    That's my tent tarp not my back yard dog mat tarp - which is smaller.

    There's something about tarps and tents and sheets I put down on the ground. She's always quick to jump on top. Which with a fairly good sit-stay I can use to my advantage setting up tents and pegging out tarps. But sometimes it's hard to pack the tarp up.

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