Signs and Symptoms of UTI

Symptoms of urinary tract infections (UTIs) in young children include the following:

  • Diarrhea
  • Excessive crying that cannot be resolved by typical measures (e.g., feeding, holding)
  • Loss of appetite
  • Fever
  • Nausea and vomiting

Older children may experience the following symptoms with UTI:

  • Flank or lower back pain (with a kidney infection)
  • Frequent urination
  • Inability to produce more than a small amount of urine at a time
  • Incontinence
  • Pain in the abdomen or pelvic area
  • Painful urination (dysuria)
  • Urine that is cloudy or has an unusual smell

Symptoms of lower UTI (e.g., cystitis, urethritis) in adults include the following:

  • Back pain
  • Blood in the urine (hematuria)
  • Cloudy urine
  • Inability to urinate despite the urge
  • Fever
  • Frequent need to urinate
  • General discomfort (malaise)
  • Painful urination (dysuria)

Publication Review By: Daniel Khouri, M.D., Stanley J. Swierzewski, III, M.D.

Published: 09 Jun 1998

Last Modified: 13 Oct 2015