Microbiology
Small, gram-positive, facultatively anaerobic, CO2-requiring coccoid rods, includes A. schaalii (most common human pathogen), A. massiliense, and A. urinale. Hard to grow, suspect with a UTI that grows nothing but does not get better on treatment (PubMed).
Was Actinobaculum.
Epidemiologic Risks
Normal human GU flora
Syndromes
UTI in the elderly (PubMed) and the occasional sepsis (PubMed) and abscess (PubMed).Treatment
Resistant to ciprofloxacin, clindamycin, and trimethoprim, treat with ? beta-lactams, such as ampicillin or cephalosporins.
Notes
Last update: 12/09/19