Fleas
Usually mildInfectiousAlso known as: Flea infestation, Ctenocephalides
A common external parasite. Beyond intense itching, fleas can trigger allergic dermatitis, transmit tapeworm and Bartonella, and cause anemia in puppies or heavy infestations.
Reported on ParvoMaps
Symptoms to watch for
- Persistent scratching, biting, or licking
- Hair loss, especially near the tail base
- Red, irritated, or scabbed skin
- Visible fleas or black "flea dirt" in the coat
- Restlessness
- Pale gums in heavy infestations
How it spreads
Picked up from infested animals, bedding, carpets, yards, or wildlife. Fleas jump onto a host and reproduce rapidly in the environment.
Prevention
Year-round flea preventives, washing bedding in hot water, and treating the home and yard. Treat every pet in the household at once.
Related infectious conditions
Frequently asked questions
What are the symptoms of Fleas in dogs?
Common signs include Persistent scratching, biting, or licking, Hair loss, especially near the tail base, Red, irritated, or scabbed skin, Visible fleas or black "flea dirt" in the coat, Restlessness, Pale gums in heavy infestations. Signs vary by dog and stage — contact your veterinarian if you notice them.
How do dogs catch Fleas?
Picked up from infested animals, bedding, carpets, yards, or wildlife. Fleas jump onto a host and reproduce rapidly in the environment.
How can I prevent Fleas in dogs?
Year-round flea preventives, washing bedding in hot water, and treating the home and yard. Treat every pet in the household at once.
Is Fleas dangerous to dogs?
Fleas is considered usually mild. A common external parasite. Beyond intense itching, fleas can trigger allergic dermatitis, transmit tapeworm and Bartonella, and cause anemia in puppies or heavy infestations.
Educational information only — not veterinary advice. If you think your dog is sick, contact your veterinarian.