Seresto Collar for Dogs

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Seresto Flea and Tick Collar for Dogs

Seresto is a veterinarian-recommended flea and tick collar designed to provide continuous protection for up to 8 months. Easy to apply and comfortable for everyday wear, this odorless, non-greasy collar offers long-lasting defense without the hassle of monthly treatments. It helps kill and repel fleas, ticks, and lice through contact, meaning pests do not have to bite your dog to be affected. By controlling fleas and ticks, Seresto helps reduce the risk of issues associated with flea- and tick-borne diseases. Suitable for dogs and puppies 7 weeks of age and older, Seresto delivers extended protection in a convenient collar that supports consistent parasite control.

How it helps

Seresto uses a patented polymer matrix technology that slowly and continuously releases its active ingredients over 8 months. These ingredients spread across your dog’s skin surface to provide steady protection.

It begins preventing new tick infestations within 48 hours of application and kills new fleas within 2 hours after the first 24 hours. By killing and repelling fleas and ticks before they can bite, Seresto helps lower the risk of exposure to diseases that may be transmitted by these parasites, including those carried by deer ticks, American dog ticks, brown dog ticks, and lone star ticks.

Who it’s for

• Dogs and puppies 7 weeks of age and older
• Available for dogs weighing up to 18 lbs
• Available for dogs weighing over 18 lbs

Why Pet Parents Choose It

• Provides up to 8 months of continuous protection
• Kills and repels fleas and ticks through contact, no biting required
• Protects against fleas, ticks, and chewing lice
• Helps prevent new tick infestations within 48 hours
• Helps reduce the risk of flea- and tick-borne diseases by killing and repelling parasites before they bite
• Protects against ticks that may transmit Lyme disease and other tick-borne illnesses
• Controls fleas that may contribute to tapeworm infections and other vector-borne conditions
• Kills fleas before they lay eggs
• Odorless and non-greasy
• Water-resistant for everyday activities
• No monthly dosing required

How to Use

• One collar per dog to be fastened around the neck.
• Remove the collar from the packaging.
• Insert the end of the collar through the buckle.
• Place around your dog’s neck and adjust for a snug fit.
• Ensure you can fit two fingers comfortably between the collar and neck.
• Pull excess collar through the loop(s).
• Trim excess length to no more than 1 inch (2 cm) beyond the loop(s). Note : For growing puppies, leave a little extra length for adjustment.
• Collar should be worn continuously for 8 months.
• Check fit regularly and adjust as needed, especially for growing puppies.
• Collar includes a safety release mechanism designed to widen if your dog becomes trapped.
• Replace with a new collar after 8 months for continued protection.

Safety & Care Tips

• For external use on dogs only.
• Do not use on puppies under 7 weeks of age.
• Ensure proper fit, not too tight or too loose.
• Monitor your dog after initial application.
• Water-resistant and remains effective after swimming, rain, or shampooing.
• Lasts up to 8 months under normal conditions.
• Dogs should not be bathed more than once per month to maintain full 8-month effectiveness.
• Monthly swimming may reduce protection duration (5 months for fleas, 7 months for ticks).
• Pre-existing flea pupae in the environment may continue to emerge for 6 weeks or longer; treat living areas with an approved home-use product.
• Remove any ticks already attached at the time of application (existing ticks may not be killed immediately).
• New tick prevention begins within 48 hours of application.
• If the collar is lost, apply a new one immediately.
• Keep collar sealed in original packaging until use.
• Keep out of reach of children; do not allow children to play with the collar.
• People sensitive to the ingredients should avoid contact.
• Mild scratching may occur in the first few days.
• Temporary hair loss or mild skin reactions at the application site may occur and usually resolve within 1–2 weeks.
• Consult your veterinarian for animals with sensitivities, or before use in debilitated, aged, breeding, pregnant, nursing, or medicated dogs.
• Do not attach a leash to the collar.
• Avoid contact with eyes and mouth.
• Wash hands thoroughly after handling.
• Do not use container for food storage or other purposes.
• Dispose of pouch and expired collar in trash. Outer container may be recycled or disposed of in trash.

What’s Inside

Active Ingredients:

• Imidacloprid
• Flumethrin

Available Pack Sizes

• Collar for dogs up to 18 lbs
• Collar for dogs over 18 lbs

Choose the correct size based on your dog’s current weight.

Frequently Asked Questions

Q. How do Seresto collars for dogs work?

Seresto Flea and Tick Collar for Dogs uses a unique polymer matrix system that continuously releases two active ingredients, imidacloprid and flumethrin, over 8 months.

• Imidacloprid helps control flea infestations.
• Flumethrin kills and repels ticks.

Together, they provide dual-action protection against fleas and ticks.

The ingredients spread from the site of contact across your dog’s skin and coat, covering the entire body from head to tail. As the active ingredients naturally diminish, fresh amounts are continuously released to maintain effective protection for the full 8-month period.

Q. How do I apply the Seresto collar?

Remove the collar from its packaging and fit it around your dog’s neck, adjusting it so two fingers fit comfortably between the collar and neck. Trim any excess length if needed and ensure it is worn continuously for 8 months. Always follow the directions provided on the product label or refer to the detailed instructions for proper application.

Q. How do I take the Seresto collar off my dog?

Squeeze the outer sides of the buckle while gently pulling the collar free. Alternatively, you may cut the collar off before applying a new one.

Q. How long does the Seresto collar last?

Seresto Flea and Tick Collar for Dogs provides up to 8 months of continuous protection against fleas and ticks when worn as directed. Replace the collar after 8 months for ongoing protection.

Q. How quickly does Seresto start working?

Existing fleas are killed within 24 hours of application. After that, new fleas are killed within 2 hours. New tick infestations are prevented within 48 hours of application.

Q. Does the collar need to be removed for bathing or swimming?

No. The collar is water-resistant and remains effective after swimming, bathing, or exposure to rain. However, frequent swimming (once a month or more) may reduce the duration of protection.

Q. What should I do if my dog shows mild skin irritation after wearing the collar?

Mild itching or slight hair loss at the application site may occasionally occur and usually resolves within 1–2 weeks. If irritation persists or worsens, remove the collar and consult your veterinarian for guidance.

Q. Can my dog wear Seresto year-round?

Yes. For continuous protection, replace the collar every 8 months to maintain year-round flea and tick control.

Q. Is Seresto safe for puppies?

Seresto is suitable for puppies 7 weeks of age and older. Always follow label instructions and consult your veterinarian if your puppy has health concerns.

Q. What if my dog already has ticks when I apply the collar?

Ticks already attached may not be killed immediately and should be removed at the time of application. The collar begins preventing new tick infestations within 48 hours.

Q. Where can I shop for the Seresto collar for dogs?

You can conveniently shop for the Seresto collar through our online store at PetCareSupplies, where we offer competitive pricing and regular promotional savings on trusted pet care products.

Q. Do I need a prescription to purchase the Seresto collar?

No, the Seresto collar is available without a prescription. However, consulting your veterinarian before starting any flea and tick prevention product is always recommended.

Q. Can the Seresto collar be used alongside other flea and tick treatments?

You should consult your veterinarian before combining the Seresto Flea and Tick Collar for Dogs with other parasite control products to ensure safe and appropriate use for your dog.