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Flea, Tick and Lice Treatment for Cats
Browse our range of flea treatments for cats online. We stock the best flea treatments for cats from popular brands like Frontline, Advantage, and Fleascreen, and Fipnil. There are many different options available to protect your cat from pests, including spot on flea treatment, flea tablets, flea collars and flea spray for cats.
If you need help choosing a treatment for a cat with fleas, then please contact our veterinary pharmacists or qualified SQPs to get the best advice regarding your cat.
We are also happy to offer free delivery on orders over £49.
How does cat flea treatment work?
Cat flea treatments work through different mechanisms depending on the type. Topical treatments and spot-on products contain active ingredients that kill adult fleas on contact or disrupt their nervous systems, whilst oral medications target fleas systemically throughout your cat's body. Many modern flea treatments also prevent flea eggs and larvae from developing, breaking the flea lifecycle and preventing future generations of them from being a problem. Some formulations repel fleas entirely, creating a protective barrier on your cat's skin and coat.
How to apply cat flea treatment
Application method depends on your chosen flea treatment type. Spot-on treatments are applied directly to the skin at the back of your cat's neck where they cannot lick it, parting the fur to reach the scalp. Oral tablets are simply given by mouth, often with food. Flea collars and bands are fitted around your cat's neck, whilst sprays are distributed across the coat following product instructions. For topical treatments, ensure your cat's fur is dry before application. Always wash your hands afterwards and keep treated cats away from children and other pets until fully dry.
How long does cat flea treatment take to work?
Most modern flea treatments begin killing adult fleas within 30 minutes to a few hours of application, with significant reduction in flea populations within 24 hours. However, complete flea elimination typically takes 24 to 48 hours. Treatments that also target flea eggs and larvae require longer to fully break the flea lifecycle, often taking 7 to 14 days for complete control. Environmental flea control is equally important, as fleas can hide in bedding and carpets. Your cat may continue scratching briefly after treatment as flea antigens irritate the skin, even after fleas are dead.
How often does a cat need flea treatment?
Most modern flea treatments require monthly application to maintain continuous protection against reinfestation. Some newer prescription formulations provide extended protection lasting 8 to 12 weeks, reducing the frequency of applications. Your cat's lifestyle influences treatment frequency: indoor cats may need less frequent treatments than outdoor cats with greater flea exposure. Consult with your vet to determine the most appropriate treatment schedule for your individual cat's risk factors and environment.