They immediately begin searching for an acceptable host, and the life cycle repeats. The entire life cycle usually takes 3-4 weeks to complete. Flea infestations result in a myriad of health problems for dogs. These lesions, especially the hair loss, are most pronounced over the back and hindquarters of the dog. Dogs with FAD can suffer from severe dermatitis with only a mild flea infestation.
Fleas also can carry larval stages of the tapeworm Dipylidium caninum.
Dogs can then become infected with tapeworms by inadvertently ingesting the affected fleas while chewing at their skin. As with many other dog health problems, it is easier to prevent fleas from affecting our pets than to treat a pre-existing infestation. How much food to feed your dog. How long will your bag last. Cost per day.