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My dog, who is treated for fleas 5 times a a year, and therefore "used" to flea products, had a HORRIBLE reaction to this flea treatment. My dog never had any bad reactions to Frontline or Advantage, but Vectra 3D is another story. Within 12 hours of application, my dog started itching like CRAZY at the application spots. But worse, 24 hours later, my dog started having panic attacks, panting horribly, acting extremely hyper active, scratching herself psychotically, etc. It was getting very scary. I bathed her to get the remaining Vectra 3d off of her immediately. I will NOT use this product again and I do NOT recommend Vectra 3D to anyone!

I looked up more reviews on Vectra from other websites, and apparently a lot of people are having this reaction and much, much worse reactions, even death.

Also, DO NOT USE THIS IN HOUSEHOLDS WITH CATS! VECTRA 3D IS EXTREMELY TOXIC TO CATS and even SLIGHT EXPOSURE CAN BE FATAL TO CATS.

Monetary Loss: $13.

Location: Pittsburgh, Pennsylvania

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Guest

My cats have been clawing at themselves for a month after we gave them this medication. Nothing helps to make it stop. The manufacturers should be sued!

Guest

Having terrible reactions with my 8 lb. toy pom.

Took her to the vet today - he spent almost an hour with us and didn't charge.

(Probably because I purchased Vectra 3D from them.) I'm giving her 1/4 of 25 mg of benadryl twice a day, and bathing her with Dawn. Bad, bad treatment - it's an insectide - and we all know about that.

Guest

I applied veternarian prescribed Vectra for cats to my moma cat and her 3 pound kittens last night. The effects were horrible...

Within 20 minutes they were all scratching like maniacs and I thought at first the Vectra was just working because i could see the fleas dying. However one of the kittens started closing her eyes as though something was burning her eyes even though as directed I appied it only to her upper back. An hour later it was worse as all 4 cats, moma and kittens were acting like they were losing their minds. The one kitten had started drooling by then and all of them were having severe muscle spasms in their legs and arms. It was late so I called the local animal emergency hospital to ask what to do and was told, "Vectra is a perfectly safe product and maybe your cat and kittens are just acting our because they have something foreign on their skin". I then asked, if the something foreign on their skin should cause them to loose their bladders and bowels? Was drooling and heaving normal with the uncontrollable scratching as though they had a toxin on them normal? The woman on the phone then quoted me a price to come in to emergency when I asked will you please just tell me what to do. She suggested washing the area I had applied the Vectra with a mild detergent which I did immediately after hanging up. The profuse itching and twitching stopped after I used a wet wash cloth with dishwashing liquid followed by another wash cloth with only water. However when I was done and had wrapped the kittens in towels they fell into a deep stupor almost semi-conscious. I layed them all in bed with me so that I could monitor them while we all slept. I also washed the moma cat in the same way but she slept hidden away from her litter all night. This morning everyone seemed marginally back to normal except for the kitten who had the worst reaction. I washed her again after she ate and dried her in a towel where she has remained for the entire day and night. She is lethargic and I must take her to the vet tomorrow. I also washed the other 2 kittens but the moma cat has just hid in a corner all day and night.

Clearly this product, Vectra has issues with toxicity. I have no idea how Vectra got past the FDA in testing or release to the general public except for the normal way that drugs make it, with complete oversight. I am worried that this one dose has done some permanent harm to my 3 month old kittens and their mother. Also the moma cat has not hardly come near her babies all day and night which is very unusual for her as she is a very attentive moma cat. I'm so angry and disturbed that I applied a vet prescribed drug that has harmed the little ones and their mother.

Whoever is reading this, PLEASE DO NOT USE VECTRA ON YOUR ANIMAL!

Guest
reply icon Replying to comment of Guest-743806

I think an animal is supposed to be 8wks old for Vectra 3-D. Whoever advised you to apply it to 3lb kittens is a ***.

Guest
reply icon Replying to comment of Guest-883613

3 months is 12 weeks

Guest
reply icon Replying to comment of Guest-743806

why would u apply flea meds to kitten? that's ridiculous..dont EVER do that with anything. vectra is obviously more toxic than other flea meds but all flea meds are toxins to animals and shouldnt be used...

Guest

I applied veternarian prescribed Vectra for cats to my moma cat and her 3 pound kittens last night. The effects were horrible...

Within 20 minutes they were all scratching like maniacs and I thought at first the Vectra was just working because i could see the fleas dying. However one of the kittens started closing her eyes as though something was burning her eyes even though as directed I appied it only to her upper back. An hour later it was worse as all 4 cats, moma and kittens were acting like they were losing their minds. The one kitten had started drooling by then and all of them were having severe muscle spasms in their legs and arms. It was late so I called the local animal emergency hospital to ask what to do and was told, "Vectra is a perfectly safe product and maybe your cat and kittens are just acting our because they have something foreign on their skin". I then asked, if the something foreign on their skin should cause them to loose their bladders and bowels? Was drooling and heaving normal with the uncontrollable scratching as though they had a toxin on them normal? The woman on the phone then quoted me a price to come in to emergency when I asked will you please just tell me what to do. She suggested washing the area I had applied the Vectra with a mild detergent which I did immediately after hanging up. The profuse itching and twitching stopped after I used a wet wash cloth with dishwashing liquid followed by another wash cloth with only water. However when I was done and had wrapped the kittens in towels they fell into a deep stupor almost semi-conscious. I layed them all in bed with me so that I could monitor them while we all slept. I also washed the moma cat in the same way but she slept hidden away from her litter all night. This morning everyone seemed marginally back to normal except for the kitten who had the worst reaction. I washed her again after she ate and dried her in a towel where she has remained for the entire day and night. She is lethargic and I must take her to the vet tomorrow. I also washed the other 2 kittens but the moma cat has just hid in a corner all day and night.

Clearly this product, Vectra has issues with toxicity. I have no idea how Vectra got past the FDA in testing or release to the general public except for the normal way that drugs make it, with complete oversight. I am worried that this one dose has done some permanent harm to my 3 month old kittens and their mother. Also the moma cat has not hardly come near her babies all day and night which is very unusual for her as she is a very attentive moma cat. I'm so angry and disturbed that I applied a vet prescribed drug that has harmed the little ones and their mother.

Whoever is reading this, PLEASE DO NOT USE VECTRA ON YOUR ANIMAL!

Guest

I used vectra on 3 of my dogs. The boxer and lab seemed to have no reaction but my 7lb you poodle is in misery.

After 24 hours post application he began with hyperactivity, the. Had loose/bloody stool in the middle of the night, I also noticed hair loss and his back twitching at the site of application. The worst is the constant anxiety. The poor guy continues jerking around to his tail but then does nothing, just circles.

He wants me to hold him constantly.

I have given him 2 baths with dawn and also tramadol to help him relax. This medicine needs a black box warning!!!!!

Guest

I just checked for info on Vectra 3D online as my pug has been scratching and acting really weird, whining, super needy, flapping his ears so bad that I thought maybe he was infested with fleas or something and couldn't remember if Vectra covered fleas. Found this and many many other websites with stories of dogs having bad reactions to this medication.

I don't have Dawn, but I used body wash for tonight and I'll get Dawn in the morning if he's still acting crazy.

He's little and it seems like, from the stories that I have read, that little dogs seem to be the most affected. My big dog (Boxer/Pitbull mix)is totally fine and he got Vectra also, but yeah, I'm going to be calling my vet in the morning and getting back on Frontline.

Guest
reply icon Replying to comment of Guest-717937

Fleas have become immune to Frontline/Frontline Plus New product called Frontline Gold is on the market through vets only. It now contains one of the ingredients in Vectra 3D.

Guest

Hi everyone I have a havanese and I used to use revolution and he was fine with it now that the vet gave me vectra he has been acting weird.

He had Diearrha one day and I didn't feed him the next to day so he hasn't had it anymore. But now he is uselly very friendly and he would run around and play. Now he is just laying in his cage.

He stops and scratches every 2 mins and just looks scarried.

I'm so worried after I read these comments I have had this on him for 3 days I don't know what to do.

Should I bathe him?

Should I take him to the vet?

Do I give him Meds?

What do I do someone help!

Guest

Ceva Animal health which produces Vectra has just entered a joint venture with China, wouldn't trust anything that would enter my body from there. Imagine, the ingredients in vectra are poisonous insecticides made in China eventually or probably already, forgetaboutit!

Guest

My dogs are sick as we speak from Vectra 3d and they haven't even responded to me. Nor my vet the Rutherford Animal Hospital in Jersey.

I'm so angry. We all must investigate where these ingredients come from. Many come from China and Asia.

I wouldn't injest anything from China and so neither will my dogs. It will kill your dogs

Guest

I too wish I had done some research before using Vectra for the second time. The first time I used it, I attributed the crazy behavior of my poodle mix on the fact that her buddy, a min schnauzer, had surgery around the same time as the first application.

Yesterday I applied Vectra for the second time, and the crazy behavior started again - hiding around the house, not coming when called, shaking in her crate.

Just read all your comments and ran out to buy Dawn. The min schnauzer does not appear to have any issues with the application - she's about 15 pounds; the poodle mix is about 11 pounds.

Guest

I am a vet tech in NJ and we have switched from Frontline to Vectra. We have had a few reactions which consisted of excessive itchiness.

All cases seemed to involve dogs of different breeds but all were under 10 pounds. We also have pets under 10 pounds that had no issues. I have been using the Vectra 3d on my own pets a 15 pound shihtzu-poo and an 86 pound labrador with no issues for the last 9 months. Each dog is an individual just like some people can have reactions to certain meds that others dont so can animals.

People need to research these products before applying them and if after their research if they have concerns then they can always refuse it. We may recommend something but the client always has the choice. What's good for the goose isn't always good for the gander.

I am sorry to all the pets and owners who have had issues with the product and I hope you find something that works. Best of luck to you

Guest

I too have had a bad reaction for my Yorkie with Vectra. He has scratched at himself all week; is very hyper.

The vet suggested a bath in Dawn dishsoap and to stop using the Vectra.

I will get my money back and put Max on something else. I just hope Vectra can figure out they why.

Guest

I applied Vectra to my English Bulldog Henrrietta within 4 hours she began trembling and within 24 hours in the middle of the night we were at the vet, she had a temperature of 104.9, swelling of all her extremities and open oozing sores on her face and ear (and no I applied as directed) by the time I arrived to the nearest available vet (45 miles away) her swelling was so pronounced that her collar had cut into her neck, she was panting and trembling. This was her second application she had one 35 days prior without incidence.

As with any medication initial exposures go without incidence but recurrent exposure can increase the incidence of allergic retractions.

I am thankful she did not die that night and we will return to Frontline for her needs. I am thankful that I found this blog the night I was seeking help for my best friend Henri....my vet told me it worked great without any problems.

Guest

We have been using Vectra per our vet recommendation for over a year not and it works. Some have complained it is a horrible product because of bad reactions.

My question to those customers, if a person has a horrible reaction to Tylenol does it make it a bad product? Just like people, dogs can have bad reactions to all medications including fea and tick preventions, that does not make a product bad.

Instead it indicates your pet may not be suitable for the product because of an allergic reaction.

I love this product and believe it works much better than frontline. We have never had a problem with the product and will continue to use it on our Labrador who loves to run in the woods.

Guest

After apply Vectra in Nov 2012, my sharpei's disposition started to change, in the months to follow, she was forever eating grass and vomitting, took her vet numerous times, xrayed her tummy, and everything normal, last normal xray was on February 28th, again normal. the day before Easter was the last day she ate, so Monday again back to the vet, when she wouldn't eat and her breathing labored.

Xrayed again, and this time she was full of fluids, had her body cavity drained, and ultrasound performed, found tumor next to her intestine and masses on her lymph nodes, and spots on her liver. At this point she quit eating, and continued drinking massive amounts of water.

By this time it was too late...my baby had to be put down, not saying that the vectra caused the cancer, but she was never the same after the vectra was applied. You know that this stuff is poisonous because, after applying solely to their middle back, this stuff can still kill fleas on their legs and tummy, so the poison has entered the dogs body to do its job..not a good idea to use anything with an insect killer in it, it is going to poison your dog too...

Lauryn Bju
reply icon Replying to comment of Guest-644058

Did your vet perform tests which conclusively indicated Vectra caused the cancer? Just wondering...

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