Small, gram-positive, facultative anaerobic, CO2-requiring coccoid rods, includes Actinobaculum schaalii, A. urinale.
Hard to grow, suspect with a UTI that grows nothing but does not get better on treatment. (PubMed).
? normal human flora
SyndromesUTI in the elderly and the occasional sepsis and abscess (PubMed).
Resistant to ciprofloxacin or trimethoprim, treat with ? beta-lactams, such as ampicillin or cephalosporins.