Antibiotic Therapies for Urinary Tract Infections and Their Impact on the Gut Microbiota

Inclusion Criteria: * Adult patient requiring hospitalisation * Diagnosis of urinary tract infection requiring systemic antibiotic therapy with ceftriaxone, piperacillin/tazobactam or temocillin * Collection of a stool sample possible before or within 24 hours of starting systemic antibiotic therapy * Patient who has read and understood the information letter and given their consent to participate in the research Exclusion Criteria: * Minor patient * Patient hospitalised in an intensive care unit * Digestive stoma * Patient not affiliated with social security * Pregnant woman, woman in labour or breastfeeding woman * Person deprived of liberty by administrative or judicial decision * Person placed under judicial protection, guardianship or curatorship