Available Options :
Advantage® II is a fast topical flea control for cats that kills fleas
at all life stages. Fleas are killed within 12 hours and, to protect
against further infestations, reinfesting fleas are killed within 2
hours. Advantage® II kills fleas through contact, so they do not have to
bite to die. 1 convenient waterproof application lasts for 1 month.