Infectious Disease Compendium

Peptostreptococcus

Microbiology

A gram positive anaerobic coccus. Includes P. anaerobius, P. asaccharolyticus, P. magnus (now Finegoldia magnus), P. micros and more.

Epidemiologic Risks

Part of the human GI and GU tract.

Syndromes

Both mixed infections and occasionally focal infections including arthritis (native and artificial), osteomyelitis and a hodgepodge of others.

Treatment

Penicillin OR doxycycline OR imipenem OR metronidazole.

Notes

Do not use vancomycin.

Curious Cases

Relevant links to my Medscape blog

Odd Bug in an Odd Place

Beware the Inflection Point

Maybe My Second Case

Last Update: 04/23/18.