What Infects a Cut?

Most infected wounds are caused by bacterial colonization, originating either from the normal flora on the skin, or bacteria from other parts of the body or the outside environment. The most common infection-causing bacteria is Staphylococcus aureus and other types of staphylococci.

What microorganisms infect a cut?

The most common causative organisms associated with wound infections include Staphylococcus aureus/MRSA, Streptococcus pyogenes, Enterococci and Pseudomonas aeruginosa.

What infections are caused by cuts?

Cellulitis can develop into a severe infection called sepsis. It's also possible that an infected cut will never heal properly. It can lead to skin infections such as impetigo, and it can also become an abscess. In extremely rare cases, an untreated infected cut can develop into necrotising fasciitis.