| Credelio For Cats 12mg 12 Doses. "Credelio is a highly palatable, flavored treatment for fleas and ticks. This monthly chewable oral treatment begins working within just four hours and kills fleas within 12 hours and controls tick infestations of lone star tick, American dog tick, black-legged tick, and brown dog tick."... - Credelio For Cats 12mg 12 Doses. |