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Use of Methenamine for Urinary Tract Infection Prophylaxis: Systematic Review of Recent Evidence
Spencer M Davidson1, Jamie N Brown2,3, Clayton B Nance4
1Geriatric Research Education and Clinical Center, Durham VA Health Care System, Durham, NC, USA.
International Urogynecology Journal
|February 8, 2024
Summary
Methenamine effectively prevents urinary tract infections (UTIs) without increased side effects compared to antibiotics. Further research is needed to confirm its role in UTI prophylaxis.
Area of Science:
- Urology
- Infectious Diseases
- Pharmacology
Background:
- Antibiotic resistance necessitates alternative strategies for urinary tract infection (UTI) prophylaxis.
- Methenamine, a non-antibiotic agent, is explored as a potential prophylactic treatment for UTIs.
Approach:
- A systematic review of recent literature (2012-2023) was conducted.
- PubMed, Embase, and CENTRAL databases were searched for studies on methenamine for UTI prophylaxis.
- Prospective and controlled retrospective trials were included.
Key Points:
- Recent studies indicate methenamine is effective for UTI prophylaxis, with some showing non-inferiority to antibiotics.
- Methenamine demonstrated decreased UTI rates in specific patient groups, such as those with short-term catheters.
- Adverse effects associated with methenamine were comparable to prophylactic antibiotics, including nausea and headache.
Conclusions:
- Methenamine shows efficacy in UTI prophylaxis across various settings with a similar safety profile to antibiotics.
- Larger, blinded clinical trials are recommended to solidify methenamine's role in preventing recurrent UTIs.
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