A urinary tract infection (UTI) is an infection of the urinary system and is usually caused by bacteria. When a person has a UTI, they need to see a doctor as soon as possible. If left untreated, it can spread to the kidneys and make it very difficult to treat. Signs and symptoms of a UTI may include:Some people are at greater risk than others of developing a UTI. This includes:Many people find they can avoid UTIs by:They may need to visit a specialist doctor, such as a urogynaecologist, urologist or renal physician. They may also want to look at the issue further by: If the person you support has a spinal injury above T6, make sure you know the signs and symptoms of autonomic dysreflexia. Need more help? Call the National Continence Helpline on 18OO 33 OO 66 and talk to a continence nurse advisor. Common signs and symptoms of a UTI are:There is a greater risk of having a UTI if the person:Some people can avoid UTIs by: For ongoing UTIs, doctors may look into the issues further by: This information is not a substitute for independent professional advice.