More sinusitis in 9 year old images. Common signs and symptoms of chronic sinusitis include: 1. nasal inflammation 2. thick, discolored discharge from the nose 3. drainage down the back of the throat (postnasal drainage) 4. nasal obstruction or congestion, causing difficulty breathing through your nose 5. pain, tenderness and swelling around your eyes, cheeks, nose or forehead 6. reduced sense of smell and tasteother signs and symptoms can include: 1. ear pain 2. aching in your upper jaw and teeth 3. cough or throat clearing 4. Sinus Infections Aboutkidshealth See more videos for sinusitis in 9 year old. Sinusitis is an inflammation of the lining of the nose and sinuses. it is a very common infection in children. viral sinusitis usually accompanies a cold. allergic sinusitis may accompany allergies such as hay fever. If your child has a cold that just won't go away, he may have a sinus infection (sinusitis). children with respiratory allergies can even end up with a sinus infec...