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Hypersensitivity of dog skin to fleas--a clinical report.

The results of an examination of the clinical signs, epidemiology and histopathology of dogs presented with flea bite dermatitis at two Dublin clinics are given. Whilst the majority of Dublin dogs are infested with fleas only some develop a reaction to flea saliva. 
 
 
 
It is concluded that on the evidence available, flea dermatitis is a hypersensitive reaction to flea saliva and elimination of fleas from the environment of affected animals remains the best method of controlling the disease.