👉 Urinary Tract Infection (UTI) is a common condition that occurs when bacteria enter the urinary tract, including the kidneys and ureters. The symptoms of an UTI can include pain or discomfort in the lower back, abdomen, or testicles, as well as fever, chills, nausea, vomiting, and redness or swelling in the尿道口、阴茎或阴道。It's important to seek medical attention immediately if you experience these symptoms because they can be life-threatening