Once a month topical applications'
include permethrin, pyrethrin, imidacloprid, or fipronil. Examples of
these products include Bio Spot for Dogs, Defend, K9 Advantix for
Dogs, and Frontline Top Spot. Revolution, which contains selamectin,
is a monthly topical product that controls American Dog Ticks
(Dermacentor variabilis) only.
In severely tick-infested areas the Preventic Tick Collar in
addition to a permethrin-containing product such as Bio Spot is going
to give your dog the best protection. This collar contains Amitraz,
which is FDA approved to use in conjunction with most other flea and
tick products. With the Preventic Collar, 95% of the ticks will detach
and die within 24 hours.