- Information
- Directions
- Safety
- Benefits
- Vectra FAQ
What is Vectra For Cats?
Vectra for Cats is an easy-to-apply topical monthly treatment designed to protect your feline friends from external parasites. It is effective against all flea life stages, providing effective control of flea eggs, larvae, pupae and adult fleas. According to the product label, this fast-acting treatment has been shown to kill fleas on contact within hours of administration, minimizing the risk of flea bites that can lead to infections.
Vectra Spot-on monthly cat treatment reduces the risk of flea-borne disease, such as bartonellosis, tularemia and tapeworms by killing fleas. It also eliminates fleas that may cause anemia or flea allergy dermatitis. This non-greasy, quick-drying flea treatment for cats features a patented applicator tip for easy, convenient application.
Suitable For
Vectra for Cats is suitable for kittens and cats 8 weeks of age or older, weighing 2.0 lbs or greater.
Vectra For Cats Indications
- Kills fleas on cats shortly after application.
- Helps reduce the risk of flea-borne disease, such as bartonellosis, tapeworm, tularemia, anemia and flea allergy dermatitis by killing fleas.
- Helps control adult fleas, as well as flea eggs, larvae and pupae and thus helps break the flea lifecycle.
Active Ingredients
Dinotefuran 22%, Pyriproxyfen 3%
- Weigh your cat for the right dosage.
- Ensure your cat is dry before application and it should remain dry 24 hours after application.
- For easy application, the cat should be in a standing position.
- Remove an applicator from the pack.
- Hold the applicator upright, pointing it away from your face.
- Place your thumb and index finger around the tip of the applicator just under the large disk.
- With your other hand, grasp the stem of the applicator tip above the smaller disk.
- Pierce the applicator seal by firmly pressing down the small disk until both disks meet.
- Part your cat's hair at the base of its head and apply the entire contents onto the cat's skin.
- Avoid applying the treatment to the cat's hair.
- Repeat the treatment every month or as suggested by your veterinarian.
The table below shows the dosage strength of Vectra for Cats.
Vectra For Cats Dosing Table:
| Cat Weight | Dinotefuran | Pyriproxyfen |
| 2.0 – 9.0 lbs | 22.0 % | 3.0 % |
For Cats:
Vectra for Cats is not recommended for kittens younger than 8 weeks of age or under 2.0 lbs of body weight. It is for external use only on cats and should not be used on dogs or other animal species. Avoid applying more than one dose per cat per month. Do not allow your cat to ingest this treatment. This topical should not be used on aged, debilitated, medicated, pregnant and nursing cats or cats known to be sensitive to pesticide products without consulting a vet.
Monitor your cat after application. If you notice signs of discomfort at the application site, bathe your cat with mild soap or shampoo and rinse. If signs of sensitivity persist, contact a vet.
For Humans:
Do not allow children to apply the treatment. Do not contact or allow children to have contact with the treated animal until the treatment is completely dry. Avoid contact with your skin. Wash your hands thoroughly with soap and water after handling. Remove and wash contaminated clothing before reuse. Keep it out of reach of children and pets.
Are there Any Specific Storage Instructions for Vectra Topical for Cats?
Do not contaminate water, food or feed by storage and disposal. Store it in a cool, dry place and do not freeze.
What are the Key Benefits of Vectra for Cats?
- Comprehensive flea protection: Effective against all flea life stages, including eggs, larvae, pupae and adult fleas.
- Fast-acting formula: Kills fleas on contact within hours of application.
- Prevents vector-borne disease: Reduces the risk of bartonellosis, tularemia, anemia and tapeworms by killing fleas.
- Convenient application: Comes as a non-greasy, quick-drying solution with a patented applicator tip for easy dosing.
Is Vectra safe for my kitten?
When used as indicated, this topical flea treatment is suitable for kittens and cats 8 weeks of age or older, with at least 2.0 lbs of body weight.
How does this flea treatment work?
Vectra Spot-on for Cats contains dinotefuran and pyriproxyfen. This dual-action formula provides comprehensive flea protection throughout the month. After application, this formula is spread through the skin as well as hair, covering the entire body and killing parasites on contact. Dinotefuran targets adult fleas, whereas pyriproxyfen works as an Insect Growth Regulator (IGR) and is effective against flea life stages and reduces the risk of re-infestations.
Which parasites does this treatment target?
Vectra Spot-on for Cats is effective against adult fleas, flea eggs, larvae and pupae. It helps control flea life stages and reduces the risk of various flea-borne diseases.
How often should I apply Vectra Topical to my cat?
This flea treatment should be applied to cats once every month.
How fast does this flea treatment work?
According to the product label, this topical flea formula kills fleas on contact within hours of application and reduces the risk of infected flea bites.
Can I treat a pregnant cat with Vectra?
This spot-on feline treatment is not indicated for use on pregnant and nursing cats.
How soon can I bathe my cat after applying this topical flea treatment?
Your cat should be dry before applying this treatment. For maximum efficacy, the treated cat should remain dry for at least 24 hours after application.
What should I do if my cat shows signs of sensitivity after treatment?
If your cat shows signs of sensitivity after applying Vectra, bathe your cat with mild soap or shampoo and rinse with large amounts of water. If signs persist, consult a veterinarian.




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