Seasonal Allergies: Causes and Symptoms
Don’t let seasonal allergies hold you back
Allergy season is different for everyone. That’s because different kinds of outdoor allergens — or irritants — get distributed into the air year-round. So your seasonal allergies happen from exposure to whatever pollen is being released by the local grass, trees, mold spores, and ragweed whenever that occurs.¹
In this page you will find information about
Outdoor mold allergies
Molds thrive in many environments, both indoors and outdoors. They flourish in damp, humid dwellings. Symptoms include:2
- Itchy nose or throat
- Itchy, watery eyes
- Stuffy or runny nose
Learn how to avoid mold allergens.
Millions of Americans have to suffer through allergy symptoms due to exposure to tree, grass and weed pollen. Symptoms include:3
- Nasal congestion
- Runny nose
- Watery eyes
- Itchy throat or eyes
Ragweed allergies are a specific type of pollen allergy. Ragweed season happens in the late fall, happens when certain plant species — like sage and mugwort — distribute pollen into the air. There are many species of ragweed in the United States, so try to keep track of the pollen count in your area.4
Avoid bringing pollen into your home by removing clothes that you’ve worn outdoors and washing them right away.
Symptoms of ragweed allergies include:4
Itchy nose or throat
Suffy or runny nose
Here are some tips to minimize seasonal allergies.¹
Stay indoors when the pollen count is high
Keep windows closed
Use an air conditioner
Save outdoor activities for late afternoon
Avoid gardening when your allergies are active
Wear a face mask, when you work outdoors
Keep pollen out of your eyes with wraparound glasses
Keep grass well trimmed
Remove pollen from your skin and hair by rinsing after being outside
Wash or brush your pets after they’ve been outside
Allegra® can help relieve seasonal allergies.
Allegra® helps you live your best life by relieving many common seasonal allergy symptoms. If you experience sneezing, runny nose, itchy, watery eyes or an itchy nose or throat, nasal congestion, sinus congestion and pressure, or swelling of nasal passages, Allegra® products can help. Now you can live your greatness — during any season.
No matter which product you choose, you can feel good knowing Allegra® is the #1 allergist-recommended medicine brand for non-drowsy relief.*
- NIH Medline Plus Magazine, Editors. What triggers seasonal allergies?, NIH Medline Plus Magazine (magazine.medlineplus.gov),
- American Academy of Allergy, Asthma, and Immunology, Editors. Mold Allergy, American Academy of Allergy, Asthma, and Immunology (aaaai.org),
- American College of Allergy, Asthma & Immunology, Editors. Pollen Allergy, American College of Allergy, Asthma & Immunology (acaai.org),
- Asthma and Allergy Foundation of America, Editors. Ragweed Pollen Allergy, Asthma and Allergy Foundation of America (aafa.org),
Mold is a diverse group of fungi that lives just about anywhere. Certain types can cause allergic reactions and tough allergy symptoms.
Adult Outdoor Allergies
Outdoor allergy sufferers: You’re not alone! Millions of Americans experience some kind of outdoor allergy.
*Allegra is the #1 allergist-recommended non-drowsy brand of adult OTC oral antihistamines and oral antihistamine/pseudoephedrine combination products.