Can external deworming of cats kill fleas

External deworming for cats can kill fleas. General external anthelmintics can kill fleas, such as Fulian (drops), which are mainly used to treat and prevent fleas, lice, and ticks. They kill fleas within 24 hours and ticks within 48 hours.

Big Love is mainly used to treat and prevent ear mites, heartworms, fleas, scabies, lice, roundworms, hookworms, ticks, etc. in cats. Cats need to be 6 weeks old before they can use this product.

Ai Walker mainly treats fleas, flea larvae, ear mites, scabies mites, demodex mites, immature and mature stages of roundworms, hookworms and adult whipworms and lungworms. Cats need to be at least 9 weeks old before using this product. It is an anthelmintic drug that works both internally and externally.