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fleas

fleas are small, wingless parasitic insects that have a hard, shiny surface and travel by jumping. flea bites usually cause only mild symptoms in humans that can be relieved by home treatment measures, such as non-prescription cortisone cream.

signs and symptoms of flea bites may include:

  • zigzag lines, especially on the feet and legs and in the waist areas.
  • intense itching.
  • a single hive or wheal.
  • dull red spots that last even after other symptoms disappear.
  • blisters or open sores in highly sensitive people.

adult fleas may live in floor crevices, debris, and carpeting for years and can survive for months without feeding. in rare cases, they can carry disease, such as plague. destroying household fleas (extermination) is an important part of treatment.

this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use. learn how we develop our content.

this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use and privacy policy. to learn more about healthwise, visit healthwise.org. © 1995-2022 healthwise, incorporated. healthwise, healthwise for every health decision, and the healthwise logo are trademarks of healthwise, incorporated.

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