Seresto® Flea & Tick Collar for Dogs – 8 Months of Continuous Protection
Seresto® is a long-lasting flea and tick collar for dogs, providing up to 8 months of protection in a single, mess-free application. The collar releases active ingredients slowly over time to kill and repel fleas, ticks, and lice. It’s odourless, water-resistant, and easy to fit — no tablets, no monthly treatments.
Vet-approved and trusted by Kiwi pet owners for extended parasite protection.
Key Benefits
• Kills and repels fleas for up to 8 months
• Destroys flea larvae in the home environment
• Repels and kills ticks, including Haemaphysalis longicornis
• Treats and controls lice infestations
• Water-resistant and odourless
• Safety-release mechanism for peace of mind
• Suitable for dogs from 7 weeks of age
How to Use
Unroll the collar and remove all plastic connectors
Fit snugly around your dog’s neck, allowing two fingers between the collar and the skin
Pull the end through the loop and trim any excess longer than 2 cm
Collar should be worn continuously for full protection
Check fit regularly, especially on growing puppies
Sizing
• Dogs up to 8 kg – use the 38 cm collar
• Dogs over 8 kg – use the 70 cm collar
Why Buy from FleaTickWorm.co.nz?
FleaTickWorm.co.nz is a vet-led, NZ-owned business offering expert advice and premium parasite protection
• Trusted by vets and Kiwi pet owners
• Fast shipping across New Zealand
• Easy returns if it’s not right for your dog
• Friendly support when you need it
Safety Information
Active ingredients: Imidacloprid (100 mg/g) and Flumethrin (45 mg/g)
Approved for dogs from 7 weeks of age
Mild local skin reactions may occur (e.g. redness, itching, temporary hair loss) and usually resolve within 1 to 2 weeks
Rare side effects may include vomiting, drooling, diarrhoea, or behaviour changes in the first few days
Do not use with other insecticidal products
Not evaluated for use in pregnant or lactating dogs
Always read the label and use as directed
Wash hands after handling
Storage
Store below 30°C in the original packaging until ready to use
Dispose of used collars in household waste
FAQs
How long does Seresto last?
Each collar provides up to 8 months of protection against fleas and ticks.
Is it water-resistant?
Yes. It remains effective after swimming or bathing, but frequent water exposure may reduce duration.
Does it kill lice?
Yes. Seresto treats and controls lice in dogs.
Is it safe for all dog breeds?
Yes – suitable for all breeds over 7 weeks of age.
Protect your dog from fleas, ticks, and lice with one easy, long-lasting collar. Seresto keeps your dog protected for months, not weeks.