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What is Broadline for cats?

Broadline spot-on is a comprehensive topical treatment that controls internal and external parasites in cats. Cats can often be harder to administer treatment to than dogs, so the use of a broad-spectrum solution means a simpler, stress-free way of caring for your cat.

Broadline contains four active ingredients that work in different ways. Eprinomectin and Praziquantel are absorbed through the skin to provide protection against roundworms, hookworms, and tapeworms. Fipronil and (S)-methoprene are distributed across the surface of the skin to control fleas, ticks, and lice.


  • Broad spectrum formula controls multiple parasites
  • Topical application means no more hard to swallow tablets
  • Kills fleas at all life stages

Is Broadline suitable for my cat?

Broadline topical spot-on solution can be used on cats or kittens from 8 weeks of age, with a minimum body weight of 1.8 pounds (0.8 kg). Broadline has not been evaluated for use on pregnant or lactating cats. Do not use Broadline for Cats on dogs.

Dosage Schedule

Broadline is applied as a topical solution once per month, with the exact product based on the weight of your cat.

Body weight Pipette size (ml) Total Fipronil (mg) Total (S)-methoprene (mg) Total Eprinomectin (mg) Total Praziquantel (mg)
Under 5.5 lbs (2.5 kg) 0.3 24.9 30 1.2 24.9
5.5-16.5 lbs (2.5-7.5 kg) 0.9 74.7 90 3.6 74.7
Over 16.5lbs (7.5 kg)         Administer the appropriate combination

Apply the entire pipette as a single application. For long hair cat breeds, take special care that the product is applied directly to the skin and not to the hair.

What are the side effects of Broadline?

Temporary clumping of hair and skin irritation at the site of application may occur after treatment.

What precautions must be taken?

  • For feline use only – do not use on dogs.
  • For external use only – do not allow the animal to ingest.
  • Keep out of reach of children and animals.
  • Do not use on cats or kittens under 8 weeks of age.
  • Do not use on cats or kittens weighing less than 1.8 pounds (0.8 kg).
  • Not evaluated as safe for use with pregnant or lactating animals.

How effective is Broadline (Fipronil, (S)-methoprene, Eprinomectin and Praziquantel)?

Broadline remains effective against newly arriving fleas for 1 month, and ticks for up to 3 weeks. The product has a fast-acting and short-lived curative effect on worms already present in the cat and will not prevent re-infestation between treatments.

Brief contact of the animal with water on one or two occasions within the month following application is unlikely to significantly reduce its efficacy. However, as a precaution, it is not recommended to bathe animals within 2 days after treatment.

Broadline Parasite Treatment for Cats

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