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Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

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A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
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Acute Pyelonephritis II: Diagnostic Studies and Management01:28

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Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
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Urinary Tract Infection I: Introduction01:26

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Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
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Urinary Tract Infection IV: Nursing Management01:17

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In managing urinary tract infections (UTIs) in nursing, a comprehensive assessment is essential. Begin by gathering subjective data, such as the patient’s complaints of dysuria (painful urination), urinary frequency, urgency, suprapubic pain, and any lower abdominal discomfort. This information can be complemented by questions regarding previous UTIs, sexual activity, and personal hygiene practices, which can provide insight into risk factors. Objective assessment should focus on signs...
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Acute Pyelonephritis I: Introduction01:27

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Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such...
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Urinary Tract Calculi III: Medical Management01:30

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The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
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[Urethritis-A practical update].

Ricardo Niklas Werner1, Antonia Pennitz2, Isabell Vader2

  • 1Klinik für Dermatologie, Venerologie und Allergologie, Division of Evidence Based Medicine in Dermatology (dEBM), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Deutschland. debm01@charite.de.

Dermatologie (Heidelberg, Germany)
|March 4, 2026
PubMed
Summary
This summary is machine-generated.

New guidelines recommend against azithromycin for first-line urethritis treatment to combat antibiotic resistance. This evidence-based approach aids clinicians in managing penile urethritis, considering pathogen prevalence and coinfections.

Keywords:
ChlamydiaDischargeDysuriaGonorrheaMycoplasma

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Area of Science:

  • Urology
  • Infectious Diseases
  • Public Health

Background:

  • Penile urethritis is a common condition often caused by sexually transmitted pathogens like Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG), or Mycoplasma genitalium (MG).
  • Clinical presentation alone is insufficient for accurate pathogen identification, leading to frequent empirical antibiotic use.

Purpose of the Study:

  • To summarize recommendations from the S3 guidelines for managing male urethritis symptoms.
  • To provide an evidence-based, symptom-oriented approach for suspected penile urethritis.

Main Methods:

  • Development of S3 guidelines funded by the Innovation Committee of the Federal Joint Committee (G-BA).
  • Inclusion of pathogen epidemiology, coinfection considerations, and a clinical management flowchart.

Main Results:

  • The guidelines offer criteria for empirical antibiotic therapy before pathogen detection.
  • Guidance is provided for classifying urethritis as gonococcal or non-gonococcal based on clinical and microscopic findings.
  • Recommendations advise against azithromycin as first-line treatment to prevent resistance in NG and MG.

Conclusions:

  • Detailed guideline recommendations and evidence are available via the Association of the Scientific Medical Societies in Germany (AWMF).