Pathogens
Streptococcus anginosus group

Streptococcus anginosus group

Precautions

Standard Precautions

Susceptibilities

General Information

Gram-positive cocci in chains.

Normal oral/GI flora.

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

Formerly called S. milleri group.

  • Abscesses - intra-abdominal, hepatic, cerebral, empyema
  • Bacteremia
  • Rarely endocarditis

When these organisms grow in blood culture, look for the abscess.

Generally abscesses need surgical drainage depending on size/location.