Millions of people suffer from seasonal allergy symptoms such as congestion, an itchy, runny nose and itchy, watery eyes. However, many also suffer from perennial allergies, which result insymptoms throughout the year. Perennial allergies are triggered by indoor allergens, including house dust mite droppings, animal dander, cockroach droppings and indoor molds. Learn more about managing your allergy symptoms caused by indoor allergens by reading the resources listed below.