Streptococcus anginosus group


Standard Precautions
Standard Precautions

General Information

Pathogen information

Gram positive cocci in chains


Normal oral and gastrointestinal flora.

Consists of Streptococcus anginosus, Streptococcus intermedius, and Streptococcus constellatus.

Formerly known as the Streptococcus milleri group.

Associated syndromes

  • Abscesses - intra-abdominal, hepatic, cerebral, empyema

  • Bacteremia

Additional Information

Streptococcus anginosus is very abscessogenic. Generally abscesses need surgical drainage depending on size/location.