Long-Lasting Flea & Tick Protection You Can Trust
Keep your dog protected season after season with the Seresto Flea & Tick Prevention Collar for Large Dogs. Designed for dogs over 18 lbs, this veterinarian-recommended collar provides up to 8 months of continuous flea and tick protection without the hassle of monthly topical treatments or oral medications.
Using an advanced sustained-release technology, Seresto continuously releases active ingredients in low concentrations, spreading across your dog’s skin and coat to kill and repel fleas and ticks through contact. Because pests don’t need to bite your dog to be affected, protection begins quickly and continues day after day while your pet enjoys everyday activities.
Lightweight, odorless, and water-resistant, the Seresto collar offers dependable, around-the-clock protection in a comfortable design that can be worn alongside your dog’s regular collar.
Why Choose Seresto?
When it comes to protecting your dog from fleas and ticks, convenience and long-lasting performance matter. Seresto combines advanced veterinary science with easy-to-use technology to provide season-long protection in a single collar.
Unlike many monthly treatments, Seresto delivers continuous protection for up to eight months, helping reduce missed doses while keeping your dog comfortable at home and outdoors.
Key Features
Up to 8 Months of Continuous Protection
Provides long-lasting flea and tick prevention with a single application, eliminating the need for monthly treatments.
Kills & Repels Fleas Before They Bite
The collar kills and repels fleas through direct contact, helping protect your dog before pests have the opportunity to bite.
Long-Lasting Tick Protection
Provides continuous protection against multiple tick species commonly encountered by dogs during everyday outdoor activities.
Fast-Acting Formula
- Starts killing existing fleas within 24 hours.
- Continues killing newly acquired fleas quickly throughout the protection period.
- Begins protecting against ticks shortly after application.
Advanced Sustained-Release Technology
The polymer matrix collar gradually releases active ingredients over several months, maintaining consistent protection without messy applications.
Odorless & Non-Greasy
Designed for comfortable everyday wear without unpleasant odors or oily residue.
Water-Resistant Performance
Continues working after occasional exposure to rain, bathing, or swimming. For dogs that swim frequently or receive frequent baths, the protection period may be reduced.
Comfortable Everyday Fit
The flexible collar is lightweight, adjustable, and designed for all-day comfort.
Built-In Safety Release System
Features an integrated safety release mechanism that helps the collar loosen if it becomes snagged during normal activities.
No Prescription Required
Professional-strength flea and tick protection available without a prescription.
Advanced Protection Technology
Seresto utilizes a unique polymer matrix that slowly releases two proven active ingredients across your dog’s skin and coat.
Imidacloprid
Kills adult fleas and flea larvae through contact.
Flumethrin
Repels and kills ticks to provide long-lasting parasite protection.
Unlike oral medications, these ingredients remain primarily on the skin and hair, providing continuous external protection without requiring pests to bite first.
Protection Against
- Fleas
- Adult Fleas
- Flea Larvae
- Multiple Tick Species
- Chewing Lice
- Helps Treat & Control Sarcoptic Mange
Benefits
- Up to 8 months of protection
- No monthly applications
- Kills fleas through contact
- Repels and kills ticks
- Fast-acting protection
- Odor-free design
- Water-resistant construction
- Comfortable for everyday wear
- Adjustable fit
- Veterinarian recommended
- No greasy residue
- No prescription required
Product Specifications
| Feature | Details |
|---|---|
| Brand | Seresto |
| Product Type | Flea & Tick Prevention Collar |
| Target Pet | Dogs |
| Dog Size | Large Dogs (Over 18 lbs) |
| Recommended Age | Puppies 7 Weeks & Older |
| Protection Duration | Up to 8 Months |
| Active Ingredients | Imidacloprid, Flumethrin |
| Collar Type | Adjustable |
| Color | Gray |
| Scent | Odorless |
| Finish | Non-Greasy |
| Water Resistant | Yes |
| Prescription Required | No |
| Country of Origin | USA |
| Manufacturer | Elanco US Inc. |
| Item Weight | 3.84 oz |
| Dimensions | 1.56 × 4.50 × 4.50 in |
| Model Number | 86030594 |
| ASIN | B00B8CG602 |
How It Works
The collar continuously releases controlled amounts of active ingredients into your dog’s skin and coat.
These ingredients spread naturally using your dog’s skin oils, creating full-body protection against fleas and ticks without entering the bloodstream.
Because the active ingredients work through contact, fleas and ticks do not need to bite your dog before they are affected.
How to Apply
- Remove the collar from the sealed pouch.
- Unroll the collar completely.
- Remove any remaining plastic connectors.
- Place the collar around your dog’s neck.
- Adjust until two fingers fit comfortably between the collar and your dog’s neck.
- Pass the excess through the retaining loops.
- Trim excess collar length if necessary, leaving approximately one inch beyond the buckle.
- Check the fit periodically, especially for growing dogs.
Care & Maintenance
- Wear continuously for maximum effectiveness.
- Replace every 8 months.
- Leave the collar on during normal daily activities.
- Clean hands after handling.
- Store unused collars in the original sealed package until ready for use.
Safety Information
- For dogs and puppies 7 weeks of age and older.
- Read all package instructions before use.
- Keep out of reach of children.
- Do not allow children to play with the collar.
- Consult your veterinarian before use if your dog is pregnant, nursing, elderly, or has an existing medical condition.
- If signs of irritation occur, remove the collar and consult your veterinarian.
What’s Included
- 1 × Seresto Flea & Tick Prevention Collar for Large Dogs
- Product Information Guide
Frequently Asked Questions
How long does one collar last?
One Seresto collar provides up to 8 months of continuous flea and tick protection under normal use.
Does the collar need to be removed for bathing?
No. The collar is water-resistant and remains effective after occasional bathing or getting wet. Frequent swimming or shampooing may reduce the duration of protection.
Can my dog wear another collar?
Yes. Seresto is designed to be worn alongside your dog’s regular collar.
Is it suitable for puppies?
Yes. It is intended for puppies 7 weeks of age and older.
Does it have a strong smell?
No. The collar is odorless and non-greasy.
Why You’ll Love It
- Season-long flea and tick protection
- Easy one-time application
- Fast-acting formula
- Comfortable, lightweight design
- Water-resistant performance
- No monthly treatments to remember
- Trusted by veterinarians
- Suitable for everyday wear
- Reliable protection for active dogs
Perfect For
- Large Dogs (Over 18 lbs)
- Puppies 7 Weeks and Older
- Indoor Dogs
- Outdoor Dogs
- Active Dogs
- Hunting Dogs
- Working Dogs
- Family Pets
- Year-Round Flea & Tick Prevention
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