December 10, 2013
Ecthyma is a skin infection similar to impetigo. It is often called "deep impetigo" because it occurs deep inside the skin.
Back to TopCauses
Ecthyma is most often caused by the bacteria streptococcus. Sometimes, staphylococcus bacteria causes this skin infection.
The infection may start in skin that has been injured due to a scratch or insect bite. It often develops on the legs.
Back to TopTreatment
Your doctor will usually prescribe antibiotics by mouth (oral antibiotics). Very early cases may be treated with topical medications. More advanced forms may need antibiotics given through a vein (intravenous antibiotics).
Placing a warm wet cloth over the area can help remove ulcer crusts. Your doctor may recommend antiseptic soap or peroxide washes to speed recovery.
Back to TopOutlook (Prognosis)
Unlike impetigo, ecthyma can sometimes result in scarring.
Back to TopPossible Complications
- Spread of infection to other parts of the body
- Permanent skin damage with scarring
Back to TopWhen to Contact a Medical Professional
Make an appointment with your health care provider if you have symptoms of ecthyma.
Back to TopPrevention
Carefully clean the skin after an injury (such as a bite or scratch). Avoid scratching or digging at scabs and sores.
Back to TopReferences
Habif TP. Clinical Dermatology. 4th ed. St. Louis, Mo: Mosby; 2004.
Mandell GL, Bennett JE, Dolin R. Principles and Practice of Infectious Diseases. 6th ed. London: Churchill Livingstone; 2005.
Rakel RE. Textbook of Family Practice. 6th ed. Philadelphia, Pa: WB Saunders; 2002.
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