Urinary tract infection (UTI)

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Learn how a urinary tract infection affects the bladder and kidneys and how it can be treated.

Key points

  • A UTI is a bacterial infection of the bladder and sometimes the kidneys.
  • Symptoms of UTI include frequent or painful urination, wetting during the day or night, leaking or dribbling, and foul-smelling urine. In babies, the main symptoms may be fever and fussiness.
  • Treatment for UTI include antibiotics, giving your child lots of fluids, and acetaminophen or ibuprofen to reduce pain or fever.
  • If your child is aged under two years and has their first febrile UTI, they will need an ultrasound to look for kidney problems or severe urinary reflux.
  • If your child has had one febrile UTI, they should be assessed for a possible UTI during an unexplained fever.
Last updated: February 6th 2024