Hello dear I understand your concern Citrobacter koseri belongs to Enterobacteriacea family It is inhabitants of our intestine and goes to vagina and urinary tract. It can be isolated from various environmental sources like soil, sewage and as well as human feces. Poor hygiene of hand and pelvic cause infection. If you have no symptoms,this type of infection does not require treatment. If you have symptoms like burning urination, pain, difficulty in urine. Pus cell ( 5/hpf) then you need treatment. Antibiotic like ceftriaxone will helpful Drink plenty of water and juice of cranberry, orange and pineapple Maintain proper pelvic hygiene after the urination. Do not delay in empty the bladder and empty it completely You can upload the full report of the urine at the report section by using premium service of the HCM for better management. Hope this may help you Contact HCM for further health query Best regards Dr. Sagar