Sinus infections

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An overview of this condition marked by an inflammation of the lining of the sinuses, along with tips on how to help your child recover.

Key points

  • A sinus infection, also known as sinusitis, is an inflammation of the lining of the sinuses.
  • Most often, sinus infections are caused by a virus and do not need antibiotics.
  • Sinusitis is more common in children over age 10.
  • Sinus infection may require antibiotics if symptoms are severe, worsening or last longer than 10 days.
Last updated: October 30th 2019