A urinary tract infection (UTI) is a bacterial infection along the urinary tract. UTIs are the most frequently occurring serious bacterial infection in infants and young children and the number one reason infants present to the emergency room with a high fever.\nWhat are the Symptoms of a Urinary Tract Infection?\nEach child may experience symptoms differently and many symptoms of a UTI may resemble other conditions or medical problems. The following are the most common symptoms of a UTI:\nUTI symptoms in babies\n\nFever\nAbdominal pain\nAbdominal fullness\nFoul-smelling urine\nPoor growth\nWeight loss or failure to gain weight\nIrritability\nVomiting\nPoor feeding\nDiarrhea\n\nUTI symptoms in \u00a0older children\n\nUrgency to urinate\nIncontinence during day and\/or night\nFrequent urination\nPainful or difficult urination\nDiscomfort above the pubic bone\nBlood in the urine\nFoul-smelling urine\nNausea and\/or vomiting\nFever\nChills\nPain in the back or side below the ribs\nFatigue\nSmall amounts of urine while voiding despite feeling of urgency\n\nHow are UTIs Diagnosed in Infants\u00a0and Children?\nYour child\u2019s doctor may diagnose a urinary tract infection based on physical examination and a description of symptoms. Other studies may include a urinalysis (a laboratory examination of urine for various cells and chemicals, such as red blood cells, white blood cells, infection, or excessive protein) and culture that will detect the presence of an infection.\nWhat is the Treatment for a UTI in Children and Infants?\nSpecific treatment for a urinary tract infection will be determined by your child\u2019s doctor and can be individualized to your child. Treatment may include:\n\nAntibiotics\nA heating pad or medications (to relieve pain)\nIncreased fluid intake (especially water)\n\nAlthough most UTIs are not serious problems, recurring UTIs may lead to kidney infections. Children are at greater risk for kidney infections, which may cause kidney scarring, poor kidney function, and other problems. Recurrent UTIs may also be a sign of urinary system abnormalities. If your child has an UTI a doctor should be consulted for treatment and to rule out any more serious issues.