Fleas on dogs are not only contagious to humans, they can also bite. Fleas are metamorphic insects that develop through four stages: egg, larva, pupa, and adult. Except for the adult parasites that parasitize the animal body, the development of the other three stages is completed in summer on the ground or in the den of the dog's playground. Fleas suck a lot of blood on the dog's body, causing itching, skin inflammation, and affecting the dog's food intake and rest.

Actually judge Whether there are fleas on the dog is very simple. If the dog keeps scratching the body, it means that the dog has fleas. The short-haired dog has obvious red spot wounds, continuous hair loss, weight loss, and black particles in the hair. Symptoms. When fleas appear on the dog, we can do the following: first, do a good job of deworming the dog; second, use Chinese herbal medicine to deworm; third, use cleaning tools to exterminate. For fleas, prevention is more important than cure. Dogs should avoid letting them play in the grass when they go out, and clean them when they come back.