Infectious Disease Compendium

Peptostreptococcus

Microbiology

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

Epidemiologic Risks

Part of the human GI tract.

Syndromes

Both mixed infections and occasionally focal infections including arthritis (native and artificial), osteomyelitis.

Treatment

Penicillin OR doxycycline OR imipenem OR metronidazole.

Notes

Do not use Vancomycin.