Stronghold (Selamectin)
Spot-on solution for internal and external parastites in cats weighing 5.7-15.5lbs (2.6-7.5kg)
Indications:

Treatment and prevention of Flea infestations

Kills adult fleas, eggs and larvae

Use as part of a treatment strategy for flea allergy dermatitis

may aid in the control of existing environmental flea infestations in areas to which the animal has access

treatment of adult roundworms

Prevention of heartworm disease (Dirofilaria immitis)

Treatment of ear mites (Octodectes cynotis)

Treatment of biting lice (Felicola subrostratus)

Treatment of adult intestinal hookworms (Ancylostoma tubaeforme)

contains: 45mg selamectin