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What is Vectra 3D for Dogs?

Vectra 3D is a topical broad-spectrum treatment that protects dogs against fleas, ticks, mosquitos, lice, mites (excluding mange mites) and biting sand flies.

With three active ingredients, Vectra 3D affects fleas (Ctenocephalides felis) and ticks on contact with the skin, before they bite. Flea feeding is reduced in as little as 5 minutes, and fleas are killed within 6 hours. By targeting fleas at all life stages (egg, larva and adult), the breeding cycle is interrupted.

The quick-drying, waterproof formula provides protection for a full month, even with swimming and regular bathing.

Vectra 3D repels and kills ticks that may transmit Lyme disease, Rocky Mountain spotted fever, babesiosis, ehrlichiosis, bartonellosis,hepatozoonosis and anaplasmosis including:

  • Brown dog tick (Rhipicephalus sanguineus)
  • Deer tick/Black legged tick (Ixodes scapularis)
  • American dog tick (Dermacentorvariabilis)
  • Lone star tick (Amblyommaamericanum)
  • Gulf coast tick (Amblyommamaculatum)

Vectra 3D may be used as an alternative to Frontline Plus.


  • Fast acting – reduces flea feeding in 5 minutes
  • Kills fleas at all life stages
  • Repels ticks, mosquitos, lice, biting sand flies and most mites.
  • Quick drying and non-greasy
  • Waterproof formula is great for active dogs

Is Vectra 3D suitable for my dog?

Vectra 3D is for use only on dogs or puppies at least 8 weeks old and weighing 5 pounds (2.2 kg) minimum. Not for use on cats or other animals.

Dosage Schedule

Vectra 3D is designed as a once a month treatment, with dosage based on your dog’s weight. Ensure you use the correct product for your dog.

Body weight Volume (ml) Dinotefuran (mg) Pyriproxyfen (mg) Permethrin (mg)
5-10 lbs (2.3-4.4 kg) 0.8 4.95% 0.44% 36.08%
11-20 lbs (5-9.1 kg) 1.6 4.95% 0.44% 36.08%
21-55 lbs (9.5-24.9 kg) 3.6 4.95% 0.44% 36.08%
56-95 lbs(25.4-43.1 kg) 4.7 4.95% 0.44% 36.08%
Over 95 lbs 8 4.95% 0.44% 36.08%

Apply the full tube as a single dose. Using the included applicator, apply Vectra 3D to the skin in straight line along your dog’s back, starting at the base of the tail and ending at the shoulder blades. Do not apply more than once a month.

What are the side effects of Vectra 3D?

Slight transitory redness,erythema or itching may occur after treatment with Vectra 3D. Less common adverse reactions include gastrointestinal signs such as vomiting or diarrhea.

What precautions must be taken?

  • For topical application only, do not allow the dogs to ingest.
  • Wash hands thoroughly with soap and water after application.
  • Do not touch the area of application until product is completely dry.
  • Keep out of reach children and animals.
  • Not for human use.
  • Not for use on cats or other animals.
  • Not for use on dogs or puppies under 8 weeks of age.
  • Do not use on debilitated, aged, medicated, pregnant or nursing dogs without first consulting a veterinarian.

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Vectra 3D For Dogs - Flea & Tick Treatment

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