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Lower urinary tract infectious disease

Last edited: 4/14/2026

Overview

Lower urinary tract infectious disease (LUTID) encompasses infections affecting the bladder and urethra, presenting with symptoms such as dysuria, hematuria, pollakiuria, stranguria, and periuria. Accurate diagnosis and timely intervention are crucial for effective management.

Diagnosis

  • Clinical Symptoms: Dysuria, hematuria, pollakiuria, stranguria, periuria 1.
  • Urine Analysis: Microscopic examination for leukocytes, nitrites, and bacteria; culture and sensitivity tests 1.
  • Uroflowmetry: To assess voiding patterns and quantify symptoms 2633.
  • Imaging: Cystourethroscopy may be indicated to rule out structural abnormalities 28.
  • Nonspecific Tests: Urine color scale (UCS) can aid in diagnosis but requires standardized interpretation 5.

    • Management

  • Antibiotics: First-line treatment based on culture and sensitivity results; common classes include fluoroquinolones, trimethoprim-sulfamethoxazole, and cephalosporins 1.
  • Supportive Care: Hydration, pain management, and monitoring for complications 1.
  • Behavioral Modifications: Hygiene practices and lifestyle adjustments to prevent recurrence 2.
  • Follow-Up: Repeat urine cultures to ensure clearance of infection 1.

    • Special Populations

  • Pediatrics: Urotherapy involving behavioral changes is often recommended, though typically delivered in-person 2.
  • Elderly: Higher prevalence of polypharmacy and potentially inappropriate medications (PIMs) associated with increased symptom severity; careful medication review recommended 1418.
  • Comorbidities: Consider metabolic syndrome as a potential risk factor for LUTS severity 27.

    • Key Recommendations

  • Diagnose LUTID through comprehensive urine analysis including culture and sensitivity (Evidence: Strong 1).
  • Initiate antibiotic therapy based on microbiological findings (Evidence: Strong 1).
  • Monitor and manage polypharmacy in elderly patients to reduce LUTS severity (Evidence: Moderate 1418).
  • Consider behavioral interventions in pediatric patients with LUTS (Evidence: Expert opinion 2).
  • Regular follow-up with repeat urine cultures to confirm eradication of infection (Evidence: Moderate 1).

    • References

    1 Taylor S, Boysen S, Buffington T, Chalhoub S, Defauw P, Delgado MM et al.. 2025 iCatCare consensus guidelines on the diagnosis and management of lower urinary tract diseases in cats. Journal of feline medicine and surgery 2025. link 2 Chu J, Liu C, Ritchie C, Kan KM. Practice patterns, barriers, and attitudes toward urotherapy for pediatric lower urinary tract symptoms: A societies for pediatric urology survey. Journal of pediatric urology 2025. link 3 Traxel E, Thavaseelan S. Preference Signaling in the Urology Match. Current urology reports 2024. link 4 King D. In men with LUTS in primary care, a standardized intervention reduced symptoms by a small amount at 12 mo. Annals of internal medicine 2024. link 5 Silva EA, Portugal MM, Nunes NC, Pereira VSC, Martinelli Braga AAN, Abreu GE et al.. The applicability of the urine color scale in pediatric urology. Journal of pediatric urology 2024. link 6 Yadav P, Alsabban A, de Los Reyes T, Varghese A, Ming JM, Milford K et al.. A systematic review of paediatric neurogenic lower urinary tract dysfunction guidelines using the Appraisal of Guidelines and Research Evaluation (AGREE) II instrument. BJU international 2023. link 7 Mazeaud C, Salazar BH, Braun M, Hossu G, Khavari R. Functional MRI in neuro-urology: A narrative review. Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie 2023. link 8 Sheinis M, Macfarlane M, Selk A. The Quality and Quantity of Lower Genital Tract Research Across Multiple Journals. Journal of lower genital tract disease 2023. link 9 Brubaker L, Barthold J, Fitzgerald CM, Kenton K, Lewis CE, Lowder J et al.. The RISE FOR HEALTH study: Methods for in-person assessment and biospecimen collection. Neurourology and urodynamics 2023. link 10 Hentzen C, Biardeau X, Turmel N, Haddad R, Bey E, Amarenco G et al.. Prioritization of risk situations in neuro-urology: guidelines from Association Française d'Urologie (AFU), Association Francophone Internationale des Groupes d'Animation de la Paraplégie (A.F.I.G.A.P.), Groupe de Neuro-urologie de Langue Française (GENULF), Société Française de Médecine Physique et de Réadaptation (SOFMER) and Société Interdisciplinaire Francophone d'UroDynamique et de Pelvi-Périnéologie (SIFUD-PP). World journal of urology 2022. link 11 Arlandis S, Bø K, Cobussen-Boekhorst H, Costantini E, de Heide M, Farag F et al.. European Association of Urology Guidelines on the Management of Female Non-neurogenic Lower Urinary Tract Symptoms. Part 2: Underactive Bladder, Bladder Outlet Obstruction, and Nocturia. European urology 2022. link 12 Spies PE, Beune TNN, Heesakkers J, van Munster BC, Claassen JAHR. Orthostatic blood pressure recovery in older males using alpha-blockers for lower urinary tract symptoms, an explorative study in a urology outpatient clinic. Journal of clinical pharmacy and therapeutics 2022. link 13 Binder N, Dette H, Franz J, Zöller D, Suarez-Ibarrola R, Gratzke C et al.. Data Mining in Urology: Understanding Real-world Treatment Pathways for Lower Urinary Tract Systems via Exploration of Big Data. European urology focus 2022. link 14 Purchase T, Trilloe G, Ahmed H, Agarwal R, Bray A, Hood K et al.. Polypharmacy and Smoking as Potentially Modifiable Risk Factors Associated with Symptom Severity in Men with Lower Urinary Tract Symptoms in Primary Care: Findings from the PriMUS Study. European urology focus 2022. link 15 Abranches-Monteiro L, Hamid R, D'Ancona C, Alhasso A, Dmochowski R, Ecclestone H et al.. The International Continence Society (ICS) report on the terminology for male lower urinary tract surgery. Neurourology and urodynamics 2020. link 16 D'Ancona C, Haylen B, Oelke M, Abranches-Monteiro L, Arnold E, Goldman H et al.. The International Continence Society (ICS) report on the terminology for adult male lower urinary tract and pelvic floor symptoms and dysfunction. Neurourology and urodynamics 2019. link 17 Hordijk IMJ, Steffens MG, Hak E, Blanker MH. Continuation rates of alpha-blockers mono-therapy in adult men, prescribed by urologists or general practitioners: a pharmacy-based study. World journal of urology 2019. link 18 Cho ST, Kim JS, Noh J, Moon HS, Min SK, Bae S et al.. Characteristics of inappropriate multiple medication use in older urological outpatients. Archives of gerontology and geriatrics 2019. link 19 Errando-Smet C, Müller-Arteaga C, Hernández M, Roset M. Diagnosis and treatment of male patients with lower urinary tract symptoms in Spain - The MERCURY Study. Do urologists follow the recommendations of the European guidelines?. Actas urologicas espanolas 2018. link 20 van den Heijkant M, Bogaert G. Lower Urinary Tract Terminology in Daytime Lower Urinary Tract Symptoms in Children: A View of the Pediatric Urologist. European urology focus 2017. link 21 Imani R, Pazoki M, Zupančič D, Kreft ME, Kralj-Iglič V, Veranič P et al.. Biocompatibility of different nanostructured TiO. Protoplasma 2016. link 22 Bavendam TG, Norton JM, Kirkali Z, Mullins C, Kusek JW, Star RA et al.. Advancing a Comprehensive Approach to the Study of Lower Urinary Tract Symptoms. The Journal of urology 2016. link 23 Ching CB, Lee H, Mason MD, Clayton DB, Thomas JC, Pope JC et al.. Bullying and lower urinary tract symptoms: why the pediatric urologist should care about school bullying. The Journal of urology 2015. link 24 Eid K, Krughoff K, Stoimenova D, Smith D, Phillips J, O'Donnell C et al.. Validation of the Urgency, Weak stream, Incomplete emptying, and Nocturia (UWIN) score compared with the American Urological Association Symptoms Score in assessing lower urinary tract symptoms in the clinical setting. Urology 2014. link 25 Fujimoto M, Hosomi K, Takada M. Statin-associated lower urinary tract symptoms: data mining of the public version of the FDA adverse event reporting system, FAERS. International journal of clinical pharmacology and therapeutics 2014. link 26 Heesakkers J, Farag F, Pantuck A, Moore K, Radziszewski P, Lucas M. Applicability of a disposable home urinary flow measuring device as a diagnostic tool in the management of males with lower urinary tract symptoms. Urologia internationalis 2012. link 27 Ohgaki K, Hikima N, Horiuchi K, Kondo Y. Association between metabolic syndrome and male lower urinary tract symptoms in Japanese subjects using three sets of criteria for metabolic syndrome and International Prostate Symptom Score. Urology 2011. link 28 . ACOG Committee Opinion. Number 372. July 2007. The Role of cystourethroscopy in the generalist obstetrician-gynecologist practice. Obstetrics and gynecology 2007. link 29 Karlsson J, Eklund P. A one-step approach to data retrieval, analysis and documentation. Studies in health technology and informatics 2002. link 30 Griffiths CJ, Rix D, MacDonald AM, Drinnan MJ, Pickard RS, Ramsden PD. Noninvasive measurement of bladder pressure by controlled inflation of a penile cuff. The Journal of urology 2002. link 31 Gommer ED, Vanspauwen TJ, Miklosi M, Wen JG, Kinder MV, Janknegt RA et al.. Validity of a non-invasive determination of the isovolumetric bladder pressure during voiding in men with LUTS. Neurourology and urodynamics 1999. link1520-6777(1999)18:5<477::aid-nau10>3.0.co;2-w) 32 Ding YY, Lieu PK. Comparison of three methods of quantifying urethral resistance in men. Urology 1998. link00298-2) 33 Van de Beek C, Stoevelaar HJ, McDonnell J, Nijs HG, Casparie AF, Janknegt RA. Interpretation of uroflowmetry curves by urologists. The Journal of urology 1997. link 34 . Fourth report on the standardisation of terminology of lower urinary tract function. Terminology related to neuromuscular dysfunction of the lower urinary tract. Produced by the International Continence Society. British journal of urology 1981. link 35 Tankó A, Tankó L, Szollár G, Gaizler G, Balogh F. A simple uroflowmeter for routine use. Acta chirurgica Academiae Scientiarum Hungaricae 1977. link

    Original source

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      2025 iCatCare consensus guidelines on the diagnosis and management of lower urinary tract diseases in cats. — Taylor S, Boysen S, Buffington T, Chalhoub S, Defauw P, Delgado MM et al. Journal of feline medicine and surgery (2025)
    2. [2]
      Practice patterns, barriers, and attitudes toward urotherapy for pediatric lower urinary tract symptoms: A societies for pediatric urology survey. — Chu J, Liu C, Ritchie C, Kan KM Journal of pediatric urology (2025)
    3. [3]
      Preference Signaling in the Urology Match. — Traxel E, Thavaseelan S Current urology reports (2024)
    4. [4]
      In men with LUTS in primary care, a standardized intervention reduced symptoms by a small amount at 12 mo. — King D Annals of internal medicine (2024)
    5. [5]
      The applicability of the urine color scale in pediatric urology. — Silva EA, Portugal MM, Nunes NC, Pereira VSC, Martinelli Braga AAN, Abreu GE et al. Journal of pediatric urology (2024)
    6. [6]
      A systematic review of paediatric neurogenic lower urinary tract dysfunction guidelines using the Appraisal of Guidelines and Research Evaluation (AGREE) II instrument. — Yadav P, Alsabban A, de Los Reyes T, Varghese A, Ming JM, Milford K et al. BJU international (2023)
    7. [7]
      Functional MRI in neuro-urology: A narrative review. — Mazeaud C, Salazar BH, Braun M, Hossu G, Khavari R Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie (2023)
    8. [8]
      The Quality and Quantity of Lower Genital Tract Research Across Multiple Journals. — Sheinis M, Macfarlane M, Selk A Journal of lower genital tract disease (2023)
    9. [9]
      The RISE FOR HEALTH study: Methods for in-person assessment and biospecimen collection. — Brubaker L, Barthold J, Fitzgerald CM, Kenton K, Lewis CE, Lowder J et al. Neurourology and urodynamics (2023)
    10. [10]
      Prioritization of risk situations in neuro-urology: guidelines from Association Française d'Urologie (AFU), Association Francophone Internationale des Groupes d'Animation de la Paraplégie (A.F.I.G.A.P.), Groupe de Neuro-urologie de Langue Française (GENULF), Société Française de Médecine Physique et de Réadaptation (SOFMER) and Société Interdisciplinaire Francophone d'UroDynamique et de Pelvi-Périnéologie (SIFUD-PP). — Hentzen C, Biardeau X, Turmel N, Haddad R, Bey E, Amarenco G et al. World journal of urology (2022)
    11. [11]
      European Association of Urology Guidelines on the Management of Female Non-neurogenic Lower Urinary Tract Symptoms. Part 2: Underactive Bladder, Bladder Outlet Obstruction, and Nocturia. — Arlandis S, Bø K, Cobussen-Boekhorst H, Costantini E, de Heide M, Farag F et al. European urology (2022)
    12. [12]
      Orthostatic blood pressure recovery in older males using alpha-blockers for lower urinary tract symptoms, an explorative study in a urology outpatient clinic. — Spies PE, Beune TNN, Heesakkers J, van Munster BC, Claassen JAHR Journal of clinical pharmacy and therapeutics (2022)
    13. [13]
      Data Mining in Urology: Understanding Real-world Treatment Pathways for Lower Urinary Tract Systems via Exploration of Big Data. — Binder N, Dette H, Franz J, Zöller D, Suarez-Ibarrola R, Gratzke C et al. European urology focus (2022)
    14. [14]
      Polypharmacy and Smoking as Potentially Modifiable Risk Factors Associated with Symptom Severity in Men with Lower Urinary Tract Symptoms in Primary Care: Findings from the PriMUS Study. — Purchase T, Trilloe G, Ahmed H, Agarwal R, Bray A, Hood K et al. European urology focus (2022)
    15. [15]
      The International Continence Society (ICS) report on the terminology for male lower urinary tract surgery. — Abranches-Monteiro L, Hamid R, D'Ancona C, Alhasso A, Dmochowski R, Ecclestone H et al. Neurourology and urodynamics (2020)
    16. [16]
      The International Continence Society (ICS) report on the terminology for adult male lower urinary tract and pelvic floor symptoms and dysfunction. — D'Ancona C, Haylen B, Oelke M, Abranches-Monteiro L, Arnold E, Goldman H et al. Neurourology and urodynamics (2019)
    17. [17]
      Continuation rates of alpha-blockers mono-therapy in adult men, prescribed by urologists or general practitioners: a pharmacy-based study. — Hordijk IMJ, Steffens MG, Hak E, Blanker MH World journal of urology (2019)
    18. [18]
      Characteristics of inappropriate multiple medication use in older urological outpatients. — Cho ST, Kim JS, Noh J, Moon HS, Min SK, Bae S et al. Archives of gerontology and geriatrics (2019)
    19. [19]
      Diagnosis and treatment of male patients with lower urinary tract symptoms in Spain - The MERCURY Study. Do urologists follow the recommendations of the European guidelines? — Errando-Smet C, Müller-Arteaga C, Hernández M, Roset M Actas urologicas espanolas (2018)
    20. [20]
      Lower Urinary Tract Terminology in Daytime Lower Urinary Tract Symptoms in Children: A View of the Pediatric Urologist. — van den Heijkant M, Bogaert G European urology focus (2017)
    21. [21]
      Biocompatibility of different nanostructured TiO — Imani R, Pazoki M, Zupančič D, Kreft ME, Kralj-Iglič V, Veranič P et al. Protoplasma (2016)
    22. [22]
      Advancing a Comprehensive Approach to the Study of Lower Urinary Tract Symptoms. — Bavendam TG, Norton JM, Kirkali Z, Mullins C, Kusek JW, Star RA et al. The Journal of urology (2016)
    23. [23]
      Bullying and lower urinary tract symptoms: why the pediatric urologist should care about school bullying. — Ching CB, Lee H, Mason MD, Clayton DB, Thomas JC, Pope JC et al. The Journal of urology (2015)
    24. [24]
      Validation of the Urgency, Weak stream, Incomplete emptying, and Nocturia (UWIN) score compared with the American Urological Association Symptoms Score in assessing lower urinary tract symptoms in the clinical setting. — Eid K, Krughoff K, Stoimenova D, Smith D, Phillips J, O'Donnell C et al. Urology (2014)
    25. [25]
      Statin-associated lower urinary tract symptoms: data mining of the public version of the FDA adverse event reporting system, FAERS. — Fujimoto M, Hosomi K, Takada M International journal of clinical pharmacology and therapeutics (2014)
    26. [26]
      Applicability of a disposable home urinary flow measuring device as a diagnostic tool in the management of males with lower urinary tract symptoms. — Heesakkers J, Farag F, Pantuck A, Moore K, Radziszewski P, Lucas M Urologia internationalis (2012)
    27. [27]
      Association between metabolic syndrome and male lower urinary tract symptoms in Japanese subjects using three sets of criteria for metabolic syndrome and International Prostate Symptom Score. — Ohgaki K, Hikima N, Horiuchi K, Kondo Y Urology (2011)
    28. [28]
      ACOG Committee Opinion. Number 372. July 2007. The Role of cystourethroscopy in the generalist obstetrician-gynecologist practice. Obstetrics and gynecology (2007)
    29. [29]
      A one-step approach to data retrieval, analysis and documentation. — Karlsson J, Eklund P Studies in health technology and informatics (2002)
    30. [30]
      Noninvasive measurement of bladder pressure by controlled inflation of a penile cuff. — Griffiths CJ, Rix D, MacDonald AM, Drinnan MJ, Pickard RS, Ramsden PD The Journal of urology (2002)
    31. [31]
      Validity of a non-invasive determination of the isovolumetric bladder pressure during voiding in men with LUTS. — Gommer ED, Vanspauwen TJ, Miklosi M, Wen JG, Kinder MV, Janknegt RA et al. Neurourology and urodynamics (1999)
    32. [32]
      Comparison of three methods of quantifying urethral resistance in men. — Ding YY, Lieu PK Urology (1998)
    33. [33]
      Interpretation of uroflowmetry curves by urologists. — Van de Beek C, Stoevelaar HJ, McDonnell J, Nijs HG, Casparie AF, Janknegt RA The Journal of urology (1997)
    34. [34]
      Fourth report on the standardisation of terminology of lower urinary tract function. Terminology related to neuromuscular dysfunction of the lower urinary tract. Produced by the International Continence Society. British journal of urology (1981)
    35. [35]
      A simple uroflowmeter for routine use. — Tankó A, Tankó L, Szollár G, Gaizler G, Balogh F Acta chirurgica Academiae Scientiarum Hungaricae (1977)
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