Toxic substances used in flea and tick treatments pet owners give to their dogs and cats have been detected in birds' nests, according to new UK research published in Science of The Total Environment.

Discover the best flea treatment for dogs, from topical treatments and oral medications to collars and shampoos.

The good news is you can easily protect your pet from these parasites with ... we recommend Frontline Plus for dogs, a topical flea and tick treatment that you apply once a month.

Learn more Cats with severe flea infestations ... with one treatment, the better off your cat will be. You can purchase prescription medicines from your vet or at online pet stores like Chewy ...