" A bladder infection is a more specific type of UTI. It happens when your bladder swells and gets irritated, also called cystitis. Bladder infections are more annoying than they are serious, but they can lead to kidney infections if left untreated. If you think you may have a bladder infection, visit AFC Urgent Care North Bergen. Our doctors can examine your symptoms and provide treatment. Causes & Symptoms of Bladder Infections Bladder infections are caused by ...