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Bacterial Skin Infections

Bacterial Skin Infections - What it is


Impetigo is a superficial bacterial infection of the skin.

The most common bacteria causing impetigo is Staphylococcus aureus, or “Staph aureus”. Less commonly, it can be caused by another bacteria, Streptococcus.

Impetigo is common in young children but can also affect people of other ages, especially those with skin that is damaged by cuts, insect bites, or eczema.

The bacteria can spread from by skin-to-skin contact or by touching contaminated surfaces such as towels and clothes.


Erysipelas and cellulitis are bacterial infections affecting deeper layers of skin. The most common bacteria causing erysipelas or cellulitis is Streptococcus, but other bacteria may be involved, including Staphylococcus aureus.

Compared to impetigo, erysipelas and cellulitis are not as contagious.

Erysipelas or cellulitis usually occurs through breaks in the skin e.g. cuts, insect bites or eczema.


A boil or abscess is a bacterial infection of the deeper part of the hair follicle within the skin. It is most often caused by Staphylococcus aureus.

Boils more commonly affect older children or teenagers.

Bacterial Skin Infections - How to prevent?

Bacterial Skin Infections - Preparing for surgery

Bacterial Skin Infections - Post-surgery care

Bacterial Skin Infections - Other Information

The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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