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Stronghold Spot-on for Dogs and Cats


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All orders over £39 receive free delivery * *terms and conditions apply


Returns It should be noted that, unfortunately, we cannot accept returns of any labelled products, including prescription medicines and flea and worming products. If the customer has requested a cancellation but the order has already been dispatched then we will not be able to cancel and refund the order. This also applies if the customer has ordered the incorrect dosage. Returns of any labelled products are only acceptable if it is due to an error in processing, or for an official recall. We are also unable to accept the returns of Caninsulin syringes, even if the packaging is unopened.

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Stronghold is used to treat and prevent infestations with parasites that live on the skin or in the fur of cats and dogs, such as fleas and mites, as well as treating worm parasites that live inside the body. It is used in the following ways:

  • to treat and prevent flea infestations in cats and dogs, by killing adult fleas, their larvae and their eggs on the animal, and in the litters of pregnant or nursing cats or dogs. It can also be used as part of a treatment for flea allergy dermatitis (skin inflammation),
  • to prevent heartworm disease in cats and dogs,
  • to treat ear mites in cats and dogs,
  • to treat adult intestinal roundworms and intestinal hookworms in cats,
  • to treat adult intestinal roundworms in dogs,
  • to treat biting lice in cats and dogs,
  • to treat sarcoptic mange (scabies) in dogs.

The contents of the tube are squeezed onto the skin after parting the fur between the shoulder blades. This small volume of liquid is absorbed through the skin and has an effect throughout the animal’s body. The strength used and the number of administrations depend on the weight and species of the animal being treated, and the type of parasite. The package leaflet contains detailed information on dosage and duration of treatment.