Antiparasitic products for dogs

It depends on the active ingredient. For fipronil, the summary of product characteristics specifies a minimum interval of four weeks between treatments: efficacy against fleas lasts up to five weeks, and new tick infestations are prevented from day 9 to day 23 after application. With permethrin, each spot-on treatment prevents new flea and tick infestations for up to four weeks.

Do not let your dog get wet or bathe them until at least two days after application. Avoid frequent bathing, as it may reduce efficacy.

It depends on the active ingredient. Fipronil can be used from eight weeks of age in dogs weighing more than 2 kg. Permethrin can be used from two weeks of age; for dogs under 2 kg, only following your vet’s assessment.

No. Dog spot-on treatments are for dogs only and could cause an overdose in cats. Dixie offers a fipronil spot-on treatment for cats, with its own dose. Permethrin is toxic to cats: keep the treated dog away from them for 72 hours.

With the fipronil spot-on treatment, ticks already on your dog may take up to a week to die: not all die within the first 48 hours. It also prevents new infestations from day 9 to day 23 after application. If your dog already has ticks, remove them manually.