- Allergies are divided into two categories. Seasonal allergies, also known as hay fever or allergic rhinitis, are a result of the body's reaction to airborne outdoor allergens, with symptoms lasting several weeks to months. Indoor allergies, or perennial allergic rhinitis, are the body's response to allergens found in any indoor environment, including the home and workplace.
- Depending on the individual, the number of allergic responses to airborne allergens can vary. The most common causes of allergies include pollen, mold, pet dander, cockroaches and mold.
- Allergens trigger a histamine response by the body causing a variety of symptoms, including sneezing, runny nose, itchy or watery eyes, coughing and post-nasal drip. Symptoms can range from mild to severe depending on individual sensitivity.
- Airborne allergens cannot be completely removed from the air, but exposure to levels of allergens can be controlled. Seasonal allergies can be controlled through limiting outdoor exposure during allergy season. Indoor allergies can be improved by closing windows and using air filtration systems.
- A diagnosis of allergies can only be made by a physician through an exam and allergy testing if needed. Airborne allergies can be controlled through several methods, including over-the-counter remedies, prescriptions and allergy shots.
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