Case Study: Successful Inpatient Recovery from a Suspected Urinary Tract Infection (UTI) in an Infant with Fever
Fever in young infants can be a source of immense anxiety for parents. Because the underlying causes can range from simple viral illnesses to more serious urinary tract or bloodstream infections, prompt and systematic evaluation is crucial.
This case study highlights a roughly 100-day-old infant who presented with fever, vomiting, and general lethargy. Through our step-by-step diagnostic protocol, we identified a bacterial infection and provided targeted inpatient treatment, leading to a full and safe recovery.
Patient Profile Year of Birth: 2025 (Female) Date of Visit: July 16, 2025 Chief Complaints: Fever, vomiting, and lethargy
Diagnosis and Evaluation
- Immediate clinical assessment and initiation of IV fluid therapy upon arrival
- Comprehensive blood and urine tests, alongside a step-by-step evaluation to pinpoint the source of the infection
- Imaging studies revealing abnormal findings in the kidneys and urinary tract
- External laboratory test results indicating a high probability of a bacterial infection
- Admission for inpatient treatment due to the diagnosed urinary tract infection (UTI) and the possibility of underlying structural anomalies
Treatment and Clinical Progress
- Concurrent IV antibiotics and fluid therapy administered throughout the hospital stay
- Vital signs continuously monitored and maintained stably
- Follow-up testing showing a gradual decrease in inflammatory markers and steady improvement in the infant’s overall condition
- Successful return to normal feeding and full recovery of the infant’s energy levels
- Safe discharge after confirming complete clinical stability
Case Summary and Clinical Significance This case underscores the critical importance of a comprehensive approach to infant fevers—simultaneously evaluating for respiratory, urinary, and bloodstream infections. By quickly identifying the potential for a severe infection, our medical team was able to provide the prompt inpatient care necessary to ensure a safe and speedy recovery.
Even if specific symptoms are not immediately obvious, an infant’s fever requires careful medical evaluation, especially when accompanied by: ✔ Lethargy or decreased activity ✔ Repeated vomiting ✔ Unexplained fever
Tuntun Children’s Hospital safely and effectively manages infant infectious diseases through: ✔ A step-by-step differential diagnosis protocol for infant fevers ✔ Integrated care that combines precise imaging with expert clinical assessment ✔ Continuous monitoring and responsive treatment adjustments during hospitalization