Fleas are blood-feeding insects. Pain and itching results from an
allergic reaction to the materials that the fleas inject into the
skin at the time of the bite.
Review Date: 01/13/2010
Reviewed By: Jacob L. Heller, MD, MHA, Emergency Medicine, Virginia Mason
Medical Center, Seattle, Washington. Also reviewed by David Zieve,
MD, MHA, Medical Director, A.D.A.M., Inc.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
