There are many products available that meet both of these needs. Pyrethrins, Carbaryl, Malathion, Lindane, Amitraz, permethrin and chlorfenvinphos are just a few. Most are effective for 1 to 2 weeks after treatment. Several new products that are also effective against adult fleas, and now available to pet owners through their veterinarian. Most studies indicate that these products are effective against ticks for one to two months.
Products containing phenylpyrazole as an active ingredient appear to provide the best protection.
Collars Flea and tick collars are made for both dogs and cats. The efficacy of the acaricide in the collar is related to the toxicity of the ingredient and to the speed of its release. Collars containing propoxur and dichlorvos provide rapid control of ticks with all ticks that were attached being killed by 72 hours after application. Colars with chlorfenvinphos provided the greatest and longest protection against reinfestation. Control off the host.