How are nonallergic symptoms distinguished from pediatric allergic rhinitis?

Updated: Jun 04, 2021
  • Author: Jack M Becker, MD; Chief Editor: Harumi Jyonouchi, MD  more...
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Unless a new exposure to large amounts of allergens is reported (eg, pet, feather pillow), a patient who describes a sudden onset of nasal allergy symptoms is probably not experiencing allergic symptoms. Sudden onset of nasal symptoms is often associated with acute sinusitis or acute bacterial sinusitis superimposed on chronic sinusitis. In children younger than 5 years, differentiating allergy symptoms from recurrent upper respiratory viral infection is even more difficult, especially in those who attend daycare and experience frequent rhinitis symptoms.

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