"Talk to your vet to determine a safe and effective treatment that is appropriate for your cat. Many over-the-counter products, despite a label indicating they are safe for cats, can cause toxic ...

Unlike Capstar, which kills fleas for only 24 hours, Comfortis protects cats against fleas for an entire month. However, Comfortis is not safe for kittens younger than 14 weeks old, while Capstar ...