Cat flea treatment and worming guides

Fleas and worms are the most common health problems UK cat owners deal with, and the choice of products is confusing. Start with our complete guide to flea treatment for cats and our cat worming guide, then compare individual products such as Frontline, Advocate, Stronghold and Drontal. Every guide explains how the product works, what it covers, how often to use it and whether you need a vet prescription in the UK.

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All fleas & worms guides

Owner applying Frontline for cats spot-on pipette to the back of a grey cat's neckFleas & Worms

Frontline for cats

Frontline Plus, Spot On and Spray for cats compared: how to apply, how long it lasts and alternatives such as Effipro.
Black-and-white cat sitting still while an owner applies Advantage flea treatment for cats between the shoulder bladesFleas & Worms

Advantage flea treatment for cats

Advantage 40 vs 80, how to apply it, how fast it works, kittens and cats under 4 kg, and how it compares.
Curious black-and-white cat sniffing one of the flea tablets for cats held by its ownerFleas & Worms

Flea tablets for cats

Capstar, Credelio and other oral flea treatments for cats compared: speed, duration, prescription rules and how to give…
Sleeping cat beside a planner with flea and wormer for cats reminder stickersFleas & Worms

Flea and wormer for cats

Combined flea and worm treatments for cats compared, plus flea combing, flea dirt and a simple yearly plan.
Vet talking to an owner holding a Bengal cat about Stronghold for catsFleas & Worms

Stronghold for cats

What Stronghold and Stronghold Plus treat, how to apply them, kittens, side effects and generic alternatives.
Cat wearing one of the flea collars for cats with a breakaway buckle in a sunny British gardenFleas & Worms

Flea collars for cats

Which flea collars for cats actually work, how Seresto compares, how to fit a collar safely and how long it lasts.
Owner parting a long-haired cat's fur to apply Advocate for cats spot-onFleas & Worms

Advocate for cats

What Advocate treats in cats, how to apply it, side effects, generics like Prinovox, and why it needs a prescription.
Spot on cat worming applicator next to a cat's fur at the back of the neckFleas & Worms

Spot on cat worming

Which spot-on wormers cover roundworm, tapeworm and lungworm, how to apply them and how they compare with tablets.
Vet nurse applying Dronspot for cats spot-on wormer to a calm tortoiseshell catFleas & Worms

Dronspot for cats

Dronspot sizes for small, medium and large cats, how to apply it, which worms it kills and how it compares with Droncit.
Owner hiding one of the cat worming tablets in a soft treat for a tabby catFleas & Worms

Cat worming tablets

Drontal, Milbemax, Milpro, Panacur and pet-shop wormer tablets compared, with doses by weight and pilling tips.
Tabby cat looking up at its owner holding a Drontal for cats worming tabletFleas & Worms

Drontal for cats

Drontal Cat vs Cat XL, dose by weight, how often to give it, how to give the tablet and possible side effects.
Cat being combed with a fine flea comb after taking Capstar for catsFleas & Worms

Capstar for cats

How Capstar kills fleas in 30 minutes, how long it lasts, dosing, kittens and how to combine it with monthly protection.
Cat sitting calmly on a vet's consulting table before being prescribed Bravecto for catsFleas & Worms

Bravecto for cats

How the 12-week Bravecto spot-on works, Bravecto vs Bravecto Plus, sizes, side effects and prescription rules.
Cat and Labrador lying together on a rug, showing how dogs can get cat fleasFleas & Worms

Can dogs get cat fleas? How fleas spread between pets

Why cat fleas are the most common flea on UK dogs, how fleas move between pets and how to treat both safely.