Dermatology Made Easy is based on the most popular topics from DermNet NZ's vast array of material. The book combines the essential focus of the ‘Made Easy’ book series with the authority and knowledge base of DermNet NZ's unparalleled resources.
Author: Vanessa Ngan, Staff Writer, 2003. Updated by Dr Jannet Gomez, Postgraduate Student in Clinical Dermatology, Queen Mary University, London, United Kingdom, January 2016.
Ecthyma is a skin infection characterised by crusted sores beneath which ulcers form. It is a deep form of impetigo, as the same bacteria causing the infection are involved. Ecthyma causes deeper erosions of the skin into the dermis.
People of all ages, sex and race can be affected, although children, elderly people and immunocompromised patients (eg diabetes, neutropenia, immunosuppressive medication, malignancy, HIV) tend to have a greater chance of infection. Other factors that increase the risk of ecthyma include:
Ecthyma most often affects buttocks, thighs, legs, ankle and feet. Occasionally, the local lymph nodes become swollen and painful.
Ecthyma lesion usually begins as a vesicle (small blister) or pustule on an inflamed area of skin.
Complications of ecthyma may include:
Another very important factor to consider in the overall management of ecthyma is to improve hygiene. Measures to take include:
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