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Seresto® is a breakthrough in flea protection, providing up to 8 months of continuous protection from fleas for cats and kittens.
In cats, Seresto® works to treat and prevent flea infestations by killing adult fleas on your pet and flea larvae in their surroundings for up to 8 months.
In Australia, fleas can carry diseases that can be passed on to your cat, and sometimes your family. Unlike other products, because Seresto® works without fleas having to bite, it can also reduce the potential spread of these diseases to your cat.
Seresto® harnesses innovative technology, which allows for controlled-release of low doses of actives, maximising safety and long-term efficacy in cats. Seresto® has also overcome the challenges of conventional flea collars, to be odourless.
Kittens may be treated with Seresto® from 10 weeks of age. If kittens younger than 10 weeks require flea control, they may be safely treated with Advantage® for kittens and small cats up to 4kg.


Seresto® can be worn alongside normal collars, as they won't interfere with the efficacy of Seresto®.
Imidacloprid 100 mg/g
Flumethrin 45 mg/g
PREGNANCY AND LACTATION: The safety of Seresto® has not been established during pregnancy and lactation.
Side Effects
Application site reactions such as dermatitis, inflammation, eczema or lesions may occur and in these instances, a temporary collar removal may be recommended until the symptoms have disappeared. In the unlikely event of the animal eating the collar mild gastrointestinal symptoms (e.g. loose stools) may occur.
Seresto® is safe for your pet, family and the environment. A ratchet-release mechanism gives way to open the collar when a force is applied on the Seresto® collar.
Additionally, a predetermined breaking point gives way at a higher force thereby providing a second layer of protection*. In the unlikely event of a cat becoming trapped, the cat’s own strength is sufficient to widen or break the collar to allow for a quick release.
First Aid Directions
If poisoning occurs contact a doctor or Poisons Information Centre. Phone Australia 13 11 26
Additional User Safety
As with any veterinary medicinal products, do not allow small children to play with the collar, or put it into their mouth. People with known sensitivity to the ingredients of the collar should avoid contact with the collar.
Additional information can be located on the Safety Data Sheet (SDS).
Dispose of used collars and packaging by wrapping in paper and placing in garbage.