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Fleas


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Flea
Flea
Insect, the basic features of adults
Insect, the basic features of adults
Flea bite - close-up
Flea bite - close-up
OverviewSymptomsTreatmentPrevention

Fleas

Alternative Names:

Dog fleas; Siphonaptera
Symptoms:
  • Rash with small bumps that itch and may bleed
    • Located on the armpit or fold of a joint (at the elbow, knee, or ankle)
    • The amount of skin affected increases over time (enlarging skin rash or lesion) or the rash spreads to other areas
    • When pressed the area turns white (blanches to touch)
  • Itching can be severe
  • Itching can be generalized or restrictied to a skin rash
  • Hives
  • Swelling only around a lesion (sore) or injury
  • Skin folds such as under the breasts or in the groin may be affected (intertrigo)
Note: Symptoms often begin suddenly (within hours).
Signs and tests:

No testing is necessary.
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