3-year-old boy urinary tract infection symptoms

3-year-old boy urinary tract infection symptoms include increased frequency of urination, urination pain, abnormal urine color, etc. 1, increased frequency of urination urinary tract infection is caused by pathogens infection urinary tract inflammation reaction, inflammatory factors can stimulate the surrounding tissues of the urinary tract caused by frequent urination, baby will show increased frequency of urination. 2, urinary pain inflammatory factors can damage urinary tract mucosa, baby urine washing wounds can cause pain. 3, abnormal urine color inflammatory factors can stimulate urinary tract mucosa to exude inflammatory secretions, secretions and pathogen metabolites will be mixed with urine after discharge, causing abnormal urine color.