The Seresto Collar is for the treatment and prevention of flea (Ctenocephalides felis) infestation for 7 to 8 months. Efficacy against fleas starts immediately after application of the collar. It protects the animal’s immediate surroundings against flea larvae development for 8 months.
Seresto can also be used as part of a treatment strategy for the control of Flea Allergy Dermatitis (FAD). It has persistent acaricidal (killing) efficacy against tick infestations (Ixodes ricinus, Rhipicephalus sanguineus, Dermacentor reticulatus) and repellent (anti-feeding) efficacy against tick infestations (Ixodes ricinus, Rhipicephalus sanguineus) for 8 months. It is also effective against larvae, nymphs and adult ticks. For treatment of biting/chewing lice (Trichodectes canis) infestation.
Ticks already on the pet prior to treatment may not be killed within 48 hours after collar application and may remain attached and visible. Therefore, removal of ticks already on the dog at the time of application is recommended. The prevention of infestations with new ticks starts within two days after application of the collar.
Ideally, the collar should be applied before the beginning of the flea or tick season.