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  • Symptomatic disorder of the nose with Immunoglobulin E (IgE) -mediated inflammation caused by allergen exposure
  • Symptoms 
    • Watery rhinorrhea and eyes 
    • Nasal congestion and airflow obstruction 
    • Repetitive sneezing 
    • Itching of eyes, nose, ears, throat
    • Affect conjunctiva, Eustachian tubes, middle ear, and paranasal sinuses
  • Nasal congestion affects mouth breathing, causing sleep-disordered breathing and sleep apnea
  • Results in daytime fatigue


  • Seasonal allergic rhinitis 
    • Symptoms periodic and correlate with seasonal variations in airborne allergens
    • Typical allergens: grass, tree, and weed pollens; fungal (mold) spores in certain climates


  • Perennial allergic rhinitis
    • Symptoms persistent, the result of exposure to perennial environmental allergens
    • Typical allergens: dust mites, molds, animal allergens, certain occupational allergens, pollen prevalent perennially