Symptoms are caused when allergens or irritants create excessive congestion in the normal breathing process. Both perennial and seasonal allergic rhinitis cause the same symptoms, which may include:

    
  • Runny nose and nasal congestion
  • Itchy, watery eyes
  • Itchy nose, ears, or throat
  • Sinus pressure
  • Headache
  • Sneezing
  • Dark circles under your eyes (also known as “allergic shiners”)
  • Postnasal drip
  • Fatigue
  • Decreased sense of smell and taste
  • Chronic cough