- Gram positive cocci in chains
- Facultatively anaerobic
- Variable hemolysis
- Normal oral/GI flora.
- Consists of S. anginosus, S. intermedius, and S. constellatus.
- Previously known as S. milleri group.
- Abscesses - head and neck, intra-abdominal, hepatic, cerebral, empyema
- Rarely endocarditis
- When these organisms grow in blood culture, look for the abscess
- Assess dentition
- Generally abscesses need surgical drainage depending on size/location