Outdoor Allergies

Outdoor allergies bring seasonal sneezing, watery eyes and runny noses to many people. Learn how outdoor allergies work and how to reduce pollen exposure.

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Spring is here, your pollen allergies have kicked in and you feel tired and sleepy. Could pollen have something to do with it? Or is it just the meds?

By Kathryn Whitbourne

Spring may be beautiful, but it's a tough time of year for anybody with allergies. That's why they rely on the daily pollen count for relief.

By Carrie Whitney, Ph.D.

Also known as hay fever or simply allergies, ragweed can bring some sufferers to their knees. How can you combat this pesky problem?

By Emilie Sennebogen

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Hay fever is a type of allergic reaction. Learn whether there is a procedure that can cure hay fever in this article.

By HowStuffWorks.com Contributors

Allergies are the body's overreaction to certain substances. Learn whether lavender plants can cause allergies in this article.

By HowStuffWorks.com Contributors

Pollen allergies are typically characterized by cold-like symptoms. Learn whether pollen allergies can make you nauseous in this article.

By HowStuffWorks.com Contributors

Symptoms of allergies to ragweed include sneezing, runny nose and itchy, watery eyes. Learn about the symptoms of allergies to ragweed in this article.

By HowStuffWorks.com Contributors

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Tree pollen allergies are a result of a mistake by your immune system. Learn some symptoms of tree pollen allergies in this article.

By HowStuffWorks.com Contributors

Some foods you might have to avoid if you have ragweed allergies include bananas, cucumbers and melon. Learn what foods you should avoid if you have ragweed allergies in this article.

By HowStuffWorks.com Contributors

Some people have allergies to foods, while others are allergic to airborne substances. Learn what a birch tree pollen allergy is in this article.

By HowStuffWorks.com Contributors

Hay fever fluctuates according to the time of the year and the weather. Learn the worst season for allergies in this article.

By HowStuffWorks.com Contributors

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Hay fever is considered a seasonal condition. Learn how long hay fever lasts in this article.

By HowStuffWorks.com Contributors

You cannot get hay fever from hay, although moldy hay may trigger hay fever symptoms. Learn whether you can get hay fever from hay in this article.

By HowStuffWorks.com Contributors

Pollen, a fine powder, is the "sperm" that flowers use to reproduce. Learn what pollen is in this article.

By HowStuffWorks.com Contributors

Springtime allergies can be the cause of various nose and eye irritations. Learn if nosebleeds are a sign of springtime allergies in this article.

By HowStuffWorks.com Contributors

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Not everyone who has pollen allergies likes to take drugs. Learn whether cauliflower can help pollen allergies in this article.

By HowStuffWorks.com Contributors

Pollen allergies tend to develop during childhood or early adulthood. Learn how long allergies to pollen last in this article.

By HowStuffWorks.com Contributors

Seasonal allergies can affect people at different times of the year. Learn about the different types and causes of seasonal allergies.

By Karen Serrano, MD