Z16.23

Clinical Causes: Overuse or misuse of quinolones and fluoroquinolones in humans and animals Incomplete courses of antibiotic therapy, allowing bacteria to survive and develop resistance Inappropriate prescribing practices where antibiotics are used for viral infections or other non-bacterial illnesses Transmission of resistant bacteria through contact with contaminated surfaces, persons, or healthcare environments Genetic mutations in bacteria that alter drug targets or increase drug efflux Horizontal gene transfer among bacteria, spreading resistance genes rapidly

Key Symptoms: Persistent or worsening bacterial infections despite antibiotic therapy Infections that are difficult to treat or require alternative antibiotics Possible signs of systemic infection, such as fever, fatigue, and malaise in severe cases

Diagnosis Path: The detection of resistance typically involves laboratory testing through culture and sensitivity analysis. Bacterial samples collected from infection sites are cultured in laboratory settings to identify the pathogen and determine its susceptibility to antibiotics. Identifying resistance helps clinicians choose effective treatments and avoid antibiotics that the bacteria have developed resistance to.

Treatment Protocols: Management of infections caused by resistant bacteria involves selecting alternative antibiotics based on sensitivity profiles, utilizing combination therapies when appropriate, and implementing infection control measures. Efforts are also made to prevent the spread of resistant bacteria by promoting judicious antibiotic use, adhering to infection prevention protocols, and educating patients and healthcare professionals about resistance issues.