Collection: Seresto Flea & Tick Collar for Dogs
Seresto Flea & Tick Collar for Dogs
Seresto is a veterinarian-recommended flea and tick collar that provides up to 8 months of continuous protection for dogs. It works without the mess of monthly spot-ons and without the hassle of daily tablets. Put it on once and your dog gets long-lasting defense against fleas and ticks.
Key Benefits
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Long-lasting protection – up to 8 months against fleas and ticks.
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Fast action – starts working quickly after application.
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Water-resistant – remains effective after bathing and swimming (once collar is fitted as directed).
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Low odor, non-greasy – no oily residue.
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Easy to use – adjustable collar with quick check of fit.
How Seresto Works
Seresto uses a polymer matrix to slowly and steadily release its actives over your dog’s coat and skin.
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Imidacloprid – controls fleas at multiple life stages.
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Flumethrin – repels and kills ticks.
How to Use
- Remove the collar from the pouch and unroll it.
- Place around your dog’s neck and insert the end through the buckle.
- Adjust to fit: you should be able to slide two fingers between the collar and neck.
- Trim excess length, leaving about 2–3 cm beyond the buckle.
- Check fit regularly, especially on growing dogs.
Sizing & Fit
| Dog Size |
Collar Length |
Guidance |
| Small Dogs |
Up to 38 cm |
Puppies 7 weeks+ and small breeds |
| Large Dogs |
Up to 70 cm |
Most medium to large breeds |
Tip: For thick coats, check the fit again 1–2 days after application.
Seresto vs Other Flea & Tick Options
Frequently Asked Questions
How long does one Seresto collar last?
Up to 8 months when used as directed.
Can my dog swim or be bathed while wearing the collar?
Yes. Occasional bathing and swimming will not reduce efficacy when the collar is fitted correctly. Check the fit after drying.
From what age can dogs wear Seresto?
Puppies from 7 weeks of age can wear the appropriate collar size.
Can Seresto be used with other parasite preventatives?
Often yes, but always follow label directions and ask your veterinarian if combining products.
Does Seresto kill fleas and ticks already on my dog?
It starts working quickly and controls existing fleas and ticks while providing ongoing protection.
Safety Information
Always read the label. Use only as directed. Keep out of reach of children. Do not allow dogs to chew the collar. If irritation occurs, remove the collar and consult your veterinarian.
Looking for alternatives? Explore NexGard chewables or Advocate spot-on for dogs.
