Sinus Infections That Dont Quit When You Should Worry The decision to assess for uti by urine testing for all children dua-–24 months with unexplained fever is no longer recommended and should be based on the child’s likelihood of uti. please see the american academy of pediatrics guidelines for further details of establishing the likelihood of uti. 9 9. A 23-year-old female asked about a female: my 9 month old has constant sinus infections(4 in the last tiga months) and antibiotics don't help any suggestions on what i. A 23-year-old female asked about a female: 9 month sinusitis old my 9 month old has constant sinus infections(4 in the last 3 months) and antibiotics don't help any suggestions on what i. 8 Sinus Infections In 9 Months Respiratory Disorders Medhelp Common signs and symptoms of chronic sinusitis include: 1. nasal inflammation dua. thick, discolored discharge from the nose 3. drainage down the back of the throat (postnasal drainage) 4. nasal obstruction or cong...