Care must be taken to keep pets separated after application to prevent grooming of one animal by another. Other pets within the household may become exposed to the pesticide through grooming.
More specifically, many dog products may not be safe for cats, products may be safe for big animals but not for smaller animals and oral exposure from licking may cause an increase in adverse effects compared to dermal application.
It is vital that pet owners read the product label and follow all instructions. If you suspect any signs of adverse reactions in your pet, immediately consult a veterinarian.