Trifexis causing vomiting

Our guys throw up 2 out of 3 times they get Trifexis. We hoped pulverizing it and mixing it with canned food may reduce it. It doesn't, Dex brought his back up about 2 hours after eating it which is supposedly plenty of time for the medicine to get into their system.
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Gertie had the same problem. It seems that some dogs can not keep it down.
Knock on wood here, I've given it to the 4 of mine & there wasn't any problem.
Winston showed us his lunch about an hour later. But they don't get fleas or ticks so it's worth it!
our vet warned us that this can happen then first few times your dog takes it. So every month, for three months, it could happen. As long as it's in their systems for one hour, you are good. If it comes up before that, you need to re-dose. And if it continues to come up after the third month, you may want to talk with your vet about an alternative.
Both of our dogs have been taking Trifexis since they were puppies. Some months there is no issue, others they empty their stomachs an hour or two after they take it. Usually it's one or the other this month it was both. Our vet said 30 minutes to an hour in their stomach is good enough. Neither has ever had a flea. Dex had a tick once and it was dead.

We're gonna stick with Trifexis and clean up an occasional mess, it's worth it to us.
Have only ever used "spot on" type.The vet now issues advocate-does worms as well except tape worm I think it is so have a tablet for that. Much more expensive that frontline which we always used of previous sheepys and had no flees or ticks-maybe just lucky? Advocate is stronger so thought use alternate times?x
I think the main thing to remember is Trifexis covers fleas and heartworm, not ticks. Although I hate the fleas & ticks & have been fortunate for years in not having any, heartworm is the thing I am most concerned about. For years I used Interceptor & Frontline & had wonderful results. The reason I went with Trifexis is because it contains the same heartworm ingredient that interceptor did. It was a trade off as now I don't need the Frontline for fleas but I am not necessarily protected against ticks. I toss the pill on top of their morning meal & it gets gobbled up. So far, knock on wood, no problems amongst the 4. :crossed: This gives them enough time to digest it & if there is a problem I have time to call the vet before going to work for the day.
I talked to my vet about the ticks part of it; and yo are right. Officially, Trifexis doesn't do ticks. But every tick I have found on the girls either isn't attached, or is dead. So I call it a win.
Darth Snuggle wrote:
I talked to my vet about the ticks part of it; and yo are right. Officially, Trifexis doesn't do ticks. But every tick I have found on the girls either isn't attached, or is dead. So I call it a win.


My dogs are pretty well protected from ticks for the most part. They are on gravel & concrete almost all the time except for when we go for walks (then it is on blacktop) & at shows in the grassy areas at motels. My vet told me to stay away from any "high" grasssy areas & to stop at a MacDonald's or similar type place for potty breaks when traveling rather than road side rest areas. And he said that if I am planning on traveling with the dogs, he has a tick collar that proves to be pretty effective to use during that time. We've never had a tick problem in our area but as time goes on these buggers are getting more & more resistant & being brought in by dogs & people out of the area.
We live in North Texas which is known for tick issues. Our boys spend a lot of time in the yard, playing and laying in the grass. I don't treat the yard with anything. I blame the Trifexis that they don't get ticks (or fleas). I also have heard that they didn't test for ticks which is why they don't claim it but it seems pretty effective to me.
If you do activities such as herding, agility, or go to dog parks or just on walks out in the woods, then eventually you will come across ticks. I guess that one could just keep ones' dogs away from anything in the natural world, but then, in my opinion, that isn't much of a fun life for a dog (or a human for that matter). The best that we can do is to use whatever product we feel comfortable using (with our vet's advice) and to check the dogs out after being in an area with tick potential and try to avoid known areas that are bad for ticks. I want my dogs to be fit and healthy, so that means running off leash in the grass or doing sports, also often in the grass. It also means the odd tick (three ticks in total in three years on three dogs for us and we are often out in the grass and woods). Having said that, I think that they are completely gross and disgusting! The first time I found one I called my vet in a panic (long distance, this was when we were on the way back from Sheepiepalooza last year) asking for advice on how to remove it, so I can identify with how people feel when they find them on their dogs. ICK!!
I found one tick crawling on Simon's head...that was in Ohio. Pretty easy to find on a white head. That is the only tick "I" have ever found on the dogs. A few years ago, the groomer found a fully engorged one on one of the dogs.

I was wondering if I could treat them with a flea and tick med if they were on Trifexis.
We've been using trifexis a few months now. Give immediately AFTER they eat their meal and no problem.
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