A UTI, or urinary tract infection, is a common condition that occurs when harmful bacteria enter the urinary system, which includes the bladder, urethra, and kidneys. Symptoms often include a strong urge to urinate, a burning sensation during urination, and cloudy or strong-smelling urine. UTIs can affect anyone, but they are more common in women due to their shorter urethra. Treatment for a UTI typically involves antibiotics prescribed by a healthcare provider. It's important to drink plenty of water to help flush out the bacteria. Preventive measures include practicing good hygiene and urinating after sexual activity to reduce the risk of infection.