Overview
Bacterial urethritis is a common sexually transmitted infection primarily caused by pathogens such as Chlamydia trachomatis, Neisseria gonorrhoeae, and Mycoplasma genitalium. Clinical differentiation between pathogens based on symptoms alone is unreliable, necessitating empirical treatment approaches. 1Diagnosis
Clinical Symptoms: Dysuria, urethral discharge, and sometimes pruritus.
Microscopy: Presence of white blood cells in urethral discharge.
Urine Tests: Early morning urethral swabs can be valuable for diagnosis 6.
Two-Glass Urine Test: Detects urinary threads correlating with urethritis, though predictive value is limited 5.
Nucleic Acid Amplification Tests (NAATs): Recommended for identifying specific pathogens like C. trachomatis and N. gonorrhoeae.
Culture: Useful for isolating M. genitalium and other fastidious organisms 2.Management
Gonococcal Urethritis: Empirical treatment with ceftriaxone 1.
Co-infection Consideration: Doxycycline should be added unless follow-up for co-infections is assured 1.
Non-Gonococcal Urethritis: Doxycycline is often first-line for suspected M. genitalium infection 12.
Adjunctive Treatments: Consider additional antibiotics based on local resistance patterns and specific pathogen identification 2.
Follow-up: Essential for assessing treatment efficacy and managing potential co-infections 1.
Testing Asymptomatic Men: Cost-effectiveness remains uncertain; further research needed 3.Special Populations
Pregnancy: Specific antibiotic choices should avoid teratogenic risks; consult current obstetric guidelines [Not explicitly covered in abstracts].
Pediatrics: Management strategies may require dose adjustments and careful monitoring of side effects [Not explicitly covered in abstracts].
Elderly: Consider potential drug interactions and comorbidities when selecting treatments [Not explicitly covered in abstracts].
Comorbidities: Tailor treatment considering renal function and other systemic health conditions [Not explicitly covered in abstracts].Key Recommendations
Empirical Treatment for Suspected Gonococcal Urethritis: Initiate with ceftriaxone and consider doxycycline for C. trachomatis co-infection 1 (Evidence: Strong).
Diagnostic Approach for Non-Gonococcal Urethritis: Utilize NAATs and cultures to identify M. genitalium and other pathogens 2 (Evidence: Moderate).
Follow-Up Testing for Co-Infections: Essential in cases where initial empirical treatment is administered without definitive pathogen identification 1 (Evidence: Moderate).References
1 Werner RN, Vader I, Abunijela S, Bickel M, Biel A, Boesecke C et al.. German evidence- and consensus-based guideline on the management of penile urethritis. Journal der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG 2025. link
2 Wada K, Hamasuna R, Sadahira T, Araki M, Yamamoto S. UAA-AAUS guideline for M. genitalium and non-chlamydial non-gonococcal urethritis. Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy 2021. link
3 Horner P. Asymptomatic men: should they be tested for urethritis?. Sexually transmitted infections 2007. link
4 Wolfe C. Gonorrhoea and non gonococcal urethritis. The GP view. Australian family physician 1982. link
5 Munday PE, Altman DG, Taylor-Robinson D. Urinary abnormalities in non gonococcal urethritis. The British journal of venereal diseases 1981. link
6 Simmons PD. Evaluation of the early morning smear investigation. The British journal of venereal diseases 1978. link
7 Marshall S, Lyon RP, Schieble J. Nonspecific urethritis in females. California medicine 1970. link