Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 12/7/2025

Infection Control Measures for NDM-Producing Bacteria in Urinary Tract Infections

Precautions in the Home Environment

  • The American College of Physicians recommends hand hygiene with alcohol-based gel before and after contact with the patient as the most important measure to prevent transmission of NDM-producing bacteria 1, 2
  • The Centers for Disease Control and Prevention suggest that hand washing with soap and water should be performed when hands are visibly soiled with bodily fluids or excreta 2
  • Caregivers should avoid using artificial nails, as they increase the risk of transmission 2
  • The use of disposable gloves is recommended when handling urine, contaminated bedding, or assisting with patient personal hygiene 2
  • The World Health Organization recommends disposing of urine safely in the toilet and immediately cleaning any spills with disinfectant 3
  • Contaminated laundry should be washed separately with hot water and detergent 3

Environmental Cleaning

  • Regular cleaning of frequently touched surfaces (bathrooms, door handles, light switches) with appropriate disinfectants is recommended 1, 3
  • Special attention should be paid to cleaning the bathroom, especially if it is shared with other family members 3
  • Patient personal items (towels, clothing) should be kept separate from those of other household members 3

Special Considerations

  • For household members who are immunocompromised, have permanent medical devices, or open wounds, additional precautionary measures should be considered 1
  • These individuals should avoid direct contact with the patient's bodily fluids and maintain strict hand hygiene 2
  • Unlike the hospital setting, individual room isolation or the use of gowns for routine care at home is not necessary 2, 3

Follow-up and Surveillance

  • All healthcare providers should be informed about the patient's history of NDM infection in future consultations or hospitalizations 1
  • This allows for the implementation of appropriate precautions if the patient requires hospitalization 1
  • The patient should avoid exposing wounds, injection sites, or catheters to tap water, as water systems can harbor these organisms 1
  • Good personal hygiene should be maintained, and unnecessary use of antibiotics should be avoided, as it can promote resistance 1, 2

Important Clinical Context

  • Once symptomatic urinary tract infection is treated, the patient may remain colonized with NDM bacteria without requiring additional treatment 4, 5
  • Surveillance cultures or treatment of asymptomatic bacteriuria should not be performed, as it promotes increased antibiotic resistance 4, 5
  • The risk of transmission in the home environment is significantly lower than in hospitals, where there are vulnerable patients, invasive procedures, and higher contact density 1, 2
  • Basic hygiene measures are generally sufficient to prevent transmission to healthy household members 2