Pediatric Sinusitis Boys Town National Research Hospital Chronic sinusitis occurs when the spaces inside your nose and head (sinuses) are swollen and inflamed for three months or longer, despite treatment. this common condition interferes with the way mucus normally drains, and makes your nose stuffy. breathing through your nose may be difficult, and the area around your eyes might feel swollen or tender. chronic sinusitis can be brought on by an infection, by growths in the sinuses (nasal polyps) or sinusitis old year 8 swelling of the lining of your sinuses. also called chronic rhinosinusitis, the condition can affect both adults and children. The infection might be sinusitis, but could also signal the development of pneumonia or another infection, so get a penaksiran from your doctor. kids don’t develop the sinuses in the forehead until they are 6-7 years old. these particular sinuses aren’t formed sufficiently to get infected until the child is a young teen. Sep 15, 2014 · the inf...