Stronghold Plus is a medicine used to treat mixed infestations with both ticks and other parasites that may be found on the skin or fur of cats, such as fleas, ear mites and lice and/or worms that live inside the body. The medicine can be used:
to treat tick infestations
to treat and prevent flea infestations. It can also be used as part of a treatment for flea allergy dermatitis (an allergic reaction to flea bites)
to treat ear mites
to treat biting lice infestations
to treat adult roundworms and adult hookworms in the gut
to prevent heartworm disease
Stronghold Plus kills fleas and some ticks within 24 hours and it continues to work for 5 weeks against fleas and 4 to 5 weeks against ticks (depending on the type).