There are many types of allergies and allergic reactions. Get a basic overview of allergies, your immune system and why some people are more susceptible to allergies than others.
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Your body never freaked out before when you were stung by a bee. And yet one day, you have an anaphylactic reaction to a bee sting. What's the deal?
By Jesslyn Shields Sep 28, 2018
If you're moving from one city to another, pack some extra tissues because it's true: Seasonal allergies can flare up when you relocate and are exposed to new allergens.
By John Perritano Mar 23, 2017
There may be more going on with your body than just itchy eyes and a runny nose when you're dealing with seasonal allergies, a small new study finds.
By Kate Kershner Aug 12, 2016
Although scientists knew that birth season affected people's allergy risk, they didn’t know why this happened. A new study gets us one step closer.
By Nichole Bazemore Apr 8, 2016
The sixth-leading cause of chronic illness in the U.S. remains maddeningly difficult to figure out.
By John Donovan Jan 26, 2016
With blood pumping through your body every second of the day, it seems unthinkable that this life-giving substance could be an allergen. For some people, it's not weird science — it's reality.
By Laurie L. Dove
Allergy symptoms like itchy, watery eyes aren't any fun to deal with. Could you be causing your own pain with certain patterns of behavior?
Can you identify household and common allergens? Recognize common allergens and learn how to deal with their side effects.
By DiscoveryHealth.com writers
Pollens, dust mites, pet allergens ... do you know what is bothering your allergic child? See common allergens and how to reduce your child's exposure to them.
By Christine Lepisto
Learn how to control your allergy symptoms while traveling. No more sneezing, watery eyes and runny nose on your trips!
By Dr. Rob Danoff
If your child seems to get ill more often than average, maybe it is time to ask if they suffer from allergies. See these seven signs that your child may be suffering from allergies.
Anaphylaxis is a life-threatening condition typically caused by allergies. Learn about some possible causes of anaphylaxis in this article.
By HowStuffWorks.com Contributors
Anaphylaxis is a dangerous condition that's normally the result of an allergic reaction. Learn some signs of anaphylaxis in children in this article.
Anaphylaxis is normally the result of an allergic reaction, and it can be deadly. Learn some symptoms of anaphylaxis in this article.
If you're one of the many sufferers of any eye allergy, you know how uncomfortable they can be. What don't you know about eye allergies that just may help?
By Emilie Sennebogen
Anaphylaxis is a life-threatening condition usually brought about by allergies. Learn what exercise-induced anaphylaxis is in this article.
Red food coloring can be from an artificial source or a natural source. Learn about red dye allergy symptoms in this article.
Winter allergy symptoms often mirror flu symptoms. Find out more about winter allergies from this article.
Rarely, people are allergic to tobacco plants. Learn about cigarette allergy symptoms in this article.
Codeine is a pain medication with a variety of side effects. Learn about codeine allergy symptoms in this article.
Nickel allergies cause allergic contact dermatitis. Learn about nickel allergy symptoms in this article.
Nasal congestion is one symptom caused by an allergy. Find out how allergies cause nasal congestion from this article.
About 70 percent of asthma sufferers also have allergies. Learn about allergy-induced asthma symptoms in this article.
An avocado allergy is much like any other food allergy. Learn about avocado allergy symptoms in this article.
Allergies can cause a wide range of symptoms. Learn whether allergies can cause post-nasal drip in this article.
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