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Activyl Flea Treatment for Large Dogs & Puppies, 45-88 lbs

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    $55.99 FREE 1-2 Day Shipping on this item

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6 treatments
  • 3 treatments
  • 6 treatments
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Description

Activyl Flea Treatment is a once-a-month topical flea treatment for dogs and puppies 8 weeks of age or older and 45-88 pounds. Activyl works by breaking the flea cycle—plus, fleas don't need to bite your dog to be killed! It's recommended that you treat your furbabies monthly for the optimal control and prevention of fleas, so Activyl makes it easy with their built-in easy applicator. This treatment even starts killing fleas within eight hours of application, eliminating them after 24.

Key Benefits
  • Monthly flea treatment that prevents and protects against flea infestations and starts killing them within 8 hours of application.
  • Kills all flea stages, plus kills fleas that may cause the common skin disease known as flea allergy dermatitis.
  • Long-lasting protection against fleas for up to 1 month, so you don’t have to worry about applying medication every day.
  • Easy to apply topical treatment for your canine companion 8 weeks of age or older that is 45-88 pounds only, plus it’s water-resistant and waterproof.
  • Breaks the flea cycle, no biting required, plus the quick-drying treatment leave no noticeable odor or fragrance behind.
Precautions

For external use on dogs and puppies only. Do not use on puppies under 8 weeks of age and weighing less than 4 lbs. Do NOT use on Cats. Do not use on dogs (male or female) intended for breeding, pregnant or nursing.

Important Information

Fleas rise to the top of your pet's coat as they die, so consider it a triumph if you start seeing more fleas at first, after treating your pet. If you’re still seeing fleas after application, it may be because your pet has picked up new fleas from the environment, which may include other pets, surfaces and outdoor areas. It may take up to 30 days to break the entire flea life cycle. Additionally, you should also treat sources of new fleas (i.e., carpet, yard, etc.) to ensure complete flea control.

See all items by Activyl

  • Item Number
    150228
  • Brand
    Merck
  • Breed Size
    Large Breeds
  • Lifestage
    Adult
Instructions
  • Open one foil pouch and remove applicator.

  • Hold applicator in upright position away from your face and snap tip open by bending it and folding it back on itself.

  • Your dog should be standing for easy application. Part the hair and place applicator tip against the skin between shoulder blades.

  • Squeeze applicator firmly applying entire contents directly to skin. Do not allow product to run off. Do not have contact with treated area until it is completely dry.

It is recommended to reapply every 30 days or as needed, but DO NOT apply more than 1 applicator per month.

  • Wash thoroughly with soap and water after handling

STORAGE AND DISPOSAL:

  • Pesticide Storage: Store in a cool, dry place inaccessible to children and pets.

  • Container Disposal and Container Handling: If empty, do not reuse the container. Place in trash or offer for recycling if available. If partly filled, call your local solid waste agency for disposal instructions. Never place unused products down any indoor or outdoor drain.

FAQ

Where is this product sourced from?

We source all our products from manufacturer approved distributors or directly from the manufacturers. Chewy takes pride in ensuring that our furry friends’ wellbeing is always our top priority. We have worked hard to partner with all of the manufactures to deliver 100% authentic products

Should I bathe my pet before treatment?

Bathing your pet is not required. According to veterinary industry standards, your pet should not be allowed to swim or be shampooed within 24 hours after applying a spot-on product.

Can Activyl for Dogs and Activyl for Cats be used on pets with itchy skin?

Activyl can be used in the management of pets with itchy skin due to flea bites—also known as flea allergy dermatitis or FAD.

Can I use Activyl for Dogs and Activyl for Cats all year-round?

Fleas can be a year-round problem indoors and outdoors. Applying Activyl every four weeks ensures your dog and cat will be protected from fleas throughout the year.

How does Activyl for Dogs and Activyl for Cats spread over my pet's body?

Activyl spreads in the lipid layer of your pet's skin.

Should Activyl for Dogs and Activyl for Cats be used differently on long- and short-haired pets?

Activyl spreads throughout the skin and coat of your dog or your cat the same way in both long- and short-haired breeds. To provide the best care for your pet, just ensure that you select the correct size of Activyl for your dog or cat based on its weight and apply the product directly to the skin, not on top of the coat.

Do fleas need to bite for Activyl for Dogs and Activyl for Cats to work?

Activyl remains on the surface of your pet. Fleas get exposed to Activyl when they jump onto a treated animal. It can enter the flea either by moving through their outer surface (called a cuticle) or if the flea happens to ingest some. Since Activyl is on the surface of the pet and not in the pet's bloodstream, fleas do not need to take a blood meal for Activyl to start working.

Why do I see more fleas after I have applied Activyl for Dogs and Activyl for Cats or other spot-on products?

Fleas tend to hide away unless disturbed. When Activyl starts to work, fleas lose coordination and will sometime move to the coat's surface. This may make them easier to see. Please don't worry; these fleas will die soon.

Why can I still see fleas after I have treated my pet with Activyl for Dogs and Activyl for Cats or other spot-on products?

The fleas you see on your pet are fleas that have newly jumped from the environment on your pet. Those fleas will die soon. It is important to take a three-pronged approach to treating fleas. This is because only a small percentage of the flea population is on your pet. Most of the flea population exists as immature stages (eggs, larvae and pupae) in your pet's surroundings. Activyl is active against both adult fleas on your pet as well as immature fleas in your pet's environment, but it takes some time to clean out the flea population in the house. To help speed this process up, you should clean your house thoroughly (for example, by washing your pet's bedding and thorough vacuuming your pet's favorite spots in the house) to help reduce the number of immature fleas present. If there is a serious infestation, it may take some time to control. But any fleas you see on your pet a few days to weeks after treatment probably represent re-infestation from fleas emerging from cocoons in the environment. Activyl lasts for 4 weeks and it is important to repeat treatment on time every month. At least 3 consecutive treatments are recommended for effective control of flea infestations on the pet and in the pet's environment, and continued treatment is needed to prevent your pet from bringing new fleas home.

Can my pet swim or be washed after I apply Activyl for Dogs and Activyl for Cats?

Activyl has been tested to make sure it is not easily rinsed or washed off. However, Activyl must first be allowed to spread and dry on the skin. According to veterinary industry standards, you should not wash your pet or allow it to swim for 24 to 48 hours after application. Consult the product label8 and your veterinarian for more information.

Can I use Activyl for Dogs and Activyl for Cats when my pet is on medication?

You should consult the product label and your veterinarian before applying any product if your pet is on medication.

Can I apply two different spot-on products?

Spot-on products are available for fleas and also for other parasites. Please consult your veterinarian for the most appropriate treatment for your pet.

Can I use Activyl on pets other than dogs and cats?

Activyl for Dogs is designed for use on dogs and Activyl for Cats is designed for use on cats. Please consult the product label and your veterinarian for advice on suitable treatment for other pets.

How frequently should Activyl for Dogs and Activyl for Cats be applied?

One treatment of Activyl lasts for 4 weeks and it is important to repeat treatment on time. Year-round treatment is recommended for optimal treatment and control. Please consult the product label8 and your veterinarian for further information.

When should I start treating my pet for fleas?

Activyl for Dogs, Activyl for Cats and Activyl Tick Plus for Dogs only can be administered as early as 8 weeks of age. Dogs should weigh at least 4 lbs and cats should weigh at least 2 lbs. There are very few places in the world where there are no fleas. In warmer climates, fleas are present all year round, while in more temperate climates, fleas are present mainly from late spring through to late fall and even longer, thanks to central heating. To be on the safe side, Activyl should be applied all year-round to avoid giving flea populations a chance to build up on your pet and in your home. Consult your veterinarian about using Activyl on your pet and when to apply it.

How does Activyl for Dogs and Activyl for Cats work?

Indoxacarb, the active ingredient in Activyl, becomes fully insecticidally active after contact with flea enzymes. This is what makes Activyl unique.

Does Activyl for Dogs and Activyl for Cats kill fleas before they can lay eggs?

Fast-acting flea products like Activyl may paralyze and kill fleas before they can lay eggs.

13 Reviews 13 Reviews 4.3 out of 5 Stars

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85% Recommend

85% of reviewersrecommend this product

4.3 / 5

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13 Reviews

Showing 1-10 of 13 Reviews

  • 5 out of 5 stars

    Texan Approved

    By on

    My normal spot on medications made with fipronil haven’t been working at all this summer, I decided to try Activyl and can’t say enough about how well it’s working. This will be our 3rd time using at so far our dogs have been flea free this summer. Anyone else it Texas will know this is almost a miracle. I will say though that this doesn’t say it works against ticks, so if you have a tick problem (I don’t) you might need something else.

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  • 5 out of 5 stars

    Most effective topical flea medicine.

    By on

    I live in Florida and fleas are a real problem here and pretty much immune to all other flea meds. This one is the only exception. Activyl is the only flea medication that actually works on my dogs. My only complaint is there is no protection against ticks. I wish they made a formula for both fleas and ticks.

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  • 5 out of 5 stars

    Best drops for my big dogs

    By on

    I have used many varieties of drops for my dogs necks, and they don’t work long. My vet recommended Activyl and I am very pleased. Give it a few days. Works great! I have four large, hairy dogs!

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  • 3 out of 5 stars

    Still Waiting

    By on

    I used 1 vial on my dog. I believe the label says starts killing ticks in 8 hrs. After the 3rd day I found a small tick on my dog. I haven’t found anymore but too early for a review.

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  • 5 out of 5 stars

    IT WORKS!!

    By on

    With 3 large dogs and cat, ive used just about every product over the years. Fleas have become immune to the preventative brands we have used in the past. Activyl was recommended to me and it worked within hours of application. I dont know why most of the local vet practices dont have it available. I cant recommend this enough!

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  • 4 out of 5 stars

    Only one that works

    By on

    This seems to be the only flea treatment that actually works on my dogs.

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  • 1 out of 5 stars

    Didn’t work

    By on

    This didn’t help my dog at all. She still has fleas and we are still finding ticks all over her.

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  • 5 out of 5 stars

    Good Product

    By on

    These flea drops works good and they cost less that some of the other ones.

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  • 3 out of 5 stars

    Did it work?

    By on

    Applied this liquid, a real pain to get right on a wriggling dog and keep off yourself, and noticed NO change in my dog's itching for almost 2 weeks! The marketing implies it will have a nearly "immediate" effect. Also, the directions for application are buried in the box, not duplicated on the outside, thus, one must open the box and dig for them as opposed to reading the instructions on the outside of the box. Perhaps "hiding" the directions keeps one from knowing it is a liquid vs. a pill or food additive which are much easier to administer.

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  • 5 out of 5 stars

    Only medicine Ill use

    By on

    Ive tried every flea medicine and this has been the only thing thats worked. Great price, less than 2 days to get to me!

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