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Definition Return to top
Ecthyma is a skin infection similar, to but more deeply invasive than impetigo.Causes, incidence, and risk factors Return to top
The bacterium Streptococcus is the most common infectious organism associated with ecthyma. Staphylococcus bacteria can also cause ecthyma. The infection may start at the site of an injury, such as a scratch or insect bite, and is often found on the legs.
An ecthyma may begin with a pus-filled blister, similar to that seen in impetigo. However, the infection goes through the outer layer of skin (epidermis) and into the deeper layer (dermis). An ulcer with raised borders develops. It is covered by a hard crust. Unlike impetigo, ecthyma can sometimes result in scarring.
Symptoms Return to top
Signs and tests Return to top
Examination by your health care provider is usually sufficient to diagnose ecthyma. Lesions may be skin biopsied or cultured in some instances.
Treatment Return to top
Antibiotics to be taken by mouth are typically prescribed. Warm soaks (using a cloth soaked in warm tap water) are helpful for removing crusts. Antiseptic soap or peroxide washes of the lesion may be helpful in hastening recovery.
Expectations (prognosis) Return to top
Full recovery is expected.
Complications Return to top
Calling your health care provider Return to top
Call for an appointment with your health care provider if symptoms indicating ecthyma are present.
Prevention Return to top
Cleanse all injuries or bites, and encourage your child to avoid scratching or digging at them.
Update Date: 10/27/2003 Updated by: Jeffrey Drayer, M.D., Dermatologist, Los Angeles, CA. Review provided by VeriMed Healthcare Network.
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Page last updated: 28 October 2004 |