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(HealthDay News) --Your child’s sinuses are not fully developed until late in the teen years, but the child can still develop a sinus infection.


Childhood sinus problems may be difficult to diagnose, because symptoms may be caused by other problems, such as a viral illness or allergy.

According to the American Academy of Otolaryngology - Head and Neck Surgery, these symptoms may indicate a sinus infection:

Cold-like symptoms lasting more than 14 days, sometimes with a low-grade fever.

Thick nasal drainage, which may be yellow or green.

Post-nasal drip, sometimes leading to a sore throat, cough, bad breath, nausea or upset stomach.

Headache, usually in children 6 years or older.

Irritability or exhaustion.

inflammation near the eyes.