Vectra 3D for Dogs


Safe to Use Flea Drop?

Flea drops tend to get a bad rap because a select few of them really are dangerous.

The vast majority of spot-on treatments are as safe as any other pesticide, but the problem is that it’s tough to tell which ones are OK and which ones aren’t.

That’s what we’re here for. We’re investigating each flea drop in order to determine which ones are safe and which ones you should avoid. Today we’re discussing the side effects of Vectra 3D.

Just in case you’re not sure what it is, Vectra 3D is a flea drop for dogs that’s only available by prescription. It claims to kill and repel:

  • Fleas
  • Ticks
  • Mosquitoes
  • Lice
  • Fleas
  • Mites

The active ingredients are dinotefuran, which is a neurotoxin, pyriproxyfen which is an insect growth inhibitor, and permethrin, an insecticide and repellent.

Vectra 3D Side Effects

The most common side effects of Vectra 3D are redness, irritation and/or itching at administration site. This generally goes away within a few hours, and no later than a few days after you apply it.

Some of the less common side effects of Vectra 3D include:

  • Lethargy
  • Increased verbalization
  • Seizures
  • Drooling
  • Decreased coordination
  • Diarrhea
  • Vomiting

If your dog experiences any of these side effects, you need to wash the Vectra 3D off of him and contact your vet to make sure that there’s nothing seriously wrong.

Though these side effects are rare, they can be life-threatening. Because Vectra 3D is extremely effective and these side effects are so rare, every legitimate website that I could find agreed that the product is safe for use.

For the majority of animals, Vectra 3D is a safe, effective product to use as part of your pest control program but it is a chemical that can hurt your dog if he’s sensitive to the ingredients.

Also, permethrin, one of the three ingredients, is poisonous to cats so you may want to try a different product on your dog if you have a cat.

All things considered, we give Vectra 3D a thumbs up.

If you’ve used Vectra 3D with your dog, please tell us about your experience in the comments section below.

4 Responses to “Vectra 3D for Dogs”
  1. mary says:

    Wheaten terrier had a reaction after use. It’s been 1 and a half days and he still isn’t himself. He won’t eat his treats and is very lethargic. Frontline plus failed to protect him. At a loss for what to try next. If anyone has any ideas please share.

  2. Karen Hilliard says:

    Applied Vectra 3D in the evening and was up all night. He was jerking and twitching and some scratching. Bathed him at 2:30 am AND AGAIN AT 8:30 AM Called Vet and received no help. Told to bath him. Already done. Four days later and still jerking and twitching. Up all night. What to do?

  3. denise macpherson says:

    We used vectra on my dog and within five hrs he became very restless and figety he kept pacing. It really concerned us. After an hour or so my husband and I bathed him with an oatmeal shampoo and rinsed him very well. I am very concerned about this product. I will call my vet in the morning.

  4. Elaine says:

    Had this product applied by a vet yesterday to a 10 year old, 7.5 pound papillion. The little dog
    got very red skin , red eyes,and cried all night yesterday & today.
    This is a horrible product and should be banned. I just washed him in dawn dish washing liquid and he seems to be calming down a little.

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