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Fleas - Overview

Alternative Names

Dog fleas; Siphonaptera

Definition of Fleas:

Fleas are blood-sucking insects that feed on humans, dog, cats, and other animals. Fleas do not have wings.

Causes, incidence, and risk factors:

Fleas prefer to live on dogs and cats, but may also be found on humans and other available animals.

Pet owners may not be bothered by fleas until their pet is gone for a long period of time, and the fleas must find another place to go. This is when they begin to bite humans. Bites often occur around the waist, ankles, armpits, and in the bend of the elbows and knees.

  • Reviewed last on: 10/28/2010
  • Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Habif TM. Infestations and bites. In: Habif TP, ed. Clinical Dermatology. 5th ed. Philadelphia, Pa:Mosby Elsevier;2009:chap 15.

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