What is a urinary tract infection?
A urinary tract infection, or UTI, is usually a bacterial infection of the urinary system. Bladder and kidney infections differ in severity.
Causes, symptoms and diagnosis
1. Definition and causes Bacteria can enter and multiply in the urinary tract. Anatomy, pregnancy and impaired urine flow may affect risk; urinary symptoms can have other causes. 2. Symptoms and assessment Burning, frequency, urgency and lower abdominal discomfort may occur. Fever or flank pain can signal kidney involvement. History and urine tests or culture help assessment. 3. Care and treatment Treatment depends on location, pregnancy, other illness and results. A clinician selects antibiotics when needed; leftover drugs risk inappropriate treatment and resistance.
Warning signs and prevention
4. When to seek help Fever with flank pain, vomiting, symptoms in pregnancy or children, or worsening illness need prompt assessment. Blood in urine can have other causes. 5. Prevention and daily life Adequate fluids and avoiding long delays in urination may help. Recurrent infection requires assessment and a tailored prevention plan without unnecessary antibiotics.