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Thread: HELP! Dog Vomited After Trifexis (Comfortis + Interceptor)

  1. #1
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    HELP! Dog Vomited After Trifexis (Comfortis + Interceptor)

    I gave my 25-26lb French Bulldog a trifexis (background for those unfamiliar - trifexis is relatively new pill - a combo of comfortis and interceptor - spinosad and milbemycin oxime) after I fed him dinner. This is the first time we've tried an oral flea medication, as topicals tend to make my dogs sick.

    About an hour or two later, he proceeded throw up the contents of his stomach, which included his dinner.

    This is gonna sound so gross, but it was a $20 pill so I searched (with gloves of course) for the pill but did not find it.

    Here is my question - do you think my dog is good or will he need another dose? If redosing is the case (which I hope it isn't...it was so expensive), I have interceptor only - one 10.1-25lb and one <10lb pill. Can give him both of them since he's 26 lbs (thus the 25lb pill won't work on its own)?

    I know this is probably kind of confusing so let me know if you need clarification. Thanks for any insight you can provide.
    Kelsey Anne - Boston Terrier
    Charles Peanut - Pug
    Bacon - French Bulldog

    In Loving Memory - Chopper - Boston Terrier (2008-2010)

  2. #2
    tiffers's Avatar
    tiffers is offline PetLovers.Com Moderator PetLovers.Com Moderator
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    I love Trifexis and wish I could use it on my dogs!

    Trifexis is absorbed within the first hour after eating it. However, if the pup vomited before the hour, call your vet and they'll replace it. If it's after an hour, then it's fine and not to worry.

    Like Comfortis, some dogs will vomit the first time, but not any more after that.

  3. #3
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    See, that's the thing...I'm not entirely sure it was an hour. It could have been as little as 30 minutes or as long as 2 hours. I suppose since I didn't find the pill *shudder* it must have absorbed. I guess I'll call the vet tomorrow and see if they'll give me another one, just in case.
    Kelsey Anne - Boston Terrier
    Charles Peanut - Pug
    Bacon - French Bulldog

    In Loving Memory - Chopper - Boston Terrier (2008-2010)

  4. #4
    tiffers's Avatar
    tiffers is offline PetLovers.Com Moderator PetLovers.Com Moderator
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    We always try to tell people to make a definitely mental note the first time they give, with Comfortis as well. Definitely talk to your vet and see what they'd recommend you do since you don't know how long it had been in the belly.

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