By applying FRONTLINE Spot On or FRONTLINE Plus^® you can ensure that the ticks attaching to your pet will die within 48 hours. The product doesn't repel ticks, so ticks can still attach but once dead they will normally drop off, or can be easily removed.

Does Frontline kill ticks already attached?

Frontline Plus will kill fleas and ticks as soon as they come in contact with the Frontline-coated fur. Fleas and ticks don't need to bite your pet in order for Frontline Plus to work but will die simply on contact.

How long does it take for ticks to die after frontline?

Do fleas and ticks have to bite my pet for FRONTLINE Brand Products to work? will die within 18 hours of contact with your treated pet, and ticks will die within 48 hours. 4.