Flea allergy dermatitis
Flea allergy dermatitis is a hypersensitivity reaction to proteins in flea saliva and is the most common skin allergy in dogs. A single flea bite can trigger intense itching out of proportion to the number of fleas present. It is managed with strict flea control and relief of the allergic skin inflammation.
Quick facts
- Type:
- Immune mediated
- Typical onset:
- Subacute
- Body systems:
- Integumentary, Immune
- Affected species:
- DOG
Sources & references
- Merck Veterinary Manual — Describes flea saliva hypersensitivity, lesion distribution, and the central role of flea control.
This content is for educational purposes and is not a substitute for professional veterinary advice. If you are worried about your pet, contact your veterinarian.