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Parasite prevention in pets

Quick answer

UK pets need **year-round parasite control** tailored by species and lifestyle. Fleas, ticks and worms (including lungworm in dogs) are preventable with vet-prescribed or vet-recommended products — never use dog-only treatments on cats.

Key takeaways

  • Yes. Fleas enter homes on shoes, other pets or previous occupants. Year-round prevention is simpler than treating an established infestation.
  • Adult dogs typically need worming every 1–3 months depending on product and lifestyle. Puppies need more frequent schedules — follow your vet's plan. Lungworm prevention is essential in affected UK areas.
  • Yes — ticks are active whenever temperatures are above about 4°C. They transmit Lyme disease. Check pets after walks and use vet-recommended preventive products.

The full guide

Causes, symptoms, treatment options and when to call your vet — in the complete plain-English guide.

Frequently Asked Questions

Do indoor cats need flea treatment?
Yes. Fleas enter homes on shoes, other pets or previous occupants. Year-round prevention is simpler than treating an established infestation.
How often should I worm my dog in the UK?
Adult dogs typically need worming every 1–3 months depending on product and lifestyle. Puppies need more frequent schedules — follow your vet's plan. Lungworm prevention is essential in affected UK areas.
Are ticks a problem in the UK?
Yes — ticks are active whenever temperatures are above about 4°C. They transmit Lyme disease. Check pets after walks and use vet-recommended preventive products.