Streptococcus constellatus

Epidemiology

• normal endogenous flora of the oral cavity

Pathology

• facultative anaerobe
• distinguishing feature is ability to cause abscesses
• infections usually affect the mouth & throat, causing dental abscess, peritonsillar abscess, or sinus abscess
• septic thrombophlebitis of the jugular vein (Lemierre's syndrome)
• bacteremia, leading to lung abscess, brain abscess, liver abscess, kidney abscess, & other abscesses
• endocarditis generally in association with an abnormal heart valve

Laboratory

• Streptococcus constellatus DNA

Management

• Streptococcus constellatus bacteremia mandates a search for an abscess

More general terms

• Streptococcus

Additional terms

• Streptococcus milleri (intermedius) group