Table 2.

Clinical and microbiologic characteristics of Comamonas kerstersii bacteremia in humans.

Age	Sex	Clinical presentation	Underlying conditions	Predisposing conditions	Pathogens identified	Antibiotic treatment	Outcome	Reference
65	M	Abdominal pain, vomiting, diarrhea, fever, chills	Diabetes	Diverticulosis, ingested river water	Comamonas kerstersii, Bacteroides fragilis	Ciprofloxacin, then imipenem-cilastatin after identification	Recovered	[6]
31	M	Abdominal pain, nausea, vomiting, fever	None reported	Perforated appendicitis with abdominal abscess, acute peritonitis	Comamonas kerstersii	Cefuroxime axetil, then cefuroxime and metronidazole at discharge	Complete recovery	[10]
16	M	Abdominal pain, fever, nausea, vomiting	None reported	Acute appendicitis, appendicular abscess	Comamonas kerstersii	Ampicillin-sulbactam and metronidazole, then piperacillin-tazobactam after identification	Recovered	[13]
82	M	Chills, rigours, constipation, fever	Type 2 diabetes, diabetic neuropathy, dyslipidemia, colon tubular adenoma, tubulovillous adenoma	None	Comamonas kerstersii	Piperacillin-tazobactam, then ceftriaxone and amoxicillin-clavulanic acid at discharge	Recovered	Present case