Health | Diseases & Conditions | Allergy Basics

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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How can I avoid allergy triggers?

How can I avoid allergy triggers? Learn more about how you can avoid allergy triggers with these helpful tips that we have gathered for you here.


Is it possible to be allergic to your own blood?

Is it possible to be allergic to your own blood?

It is possible to be allergic to your own blood. Learn more about the condition at HowStuffWorks. See more »

Is it possible to make yourself allergic to something?

Is it possible to make yourself allergic to something?

Many allergies develop later in life. Learn whether it is possible to make yourself allergic to something at HowStuffWorks. See more »

5 Common Allergens

5 Common Allergens

Can you identify household and common allergens? Recognize common allergens and learn how to deal with their side effects. See more »

3 Things Making Your Child's Allergies Worse (and How to Fix Them)

3 Things Making Your Child's Allergies Worse (and How to Fix Them)

Some things can make your child's allergies worse, but can also be easily avoided. See three things that can make your child's allergies worse. See more »

Prevent Allergy Symptoms While Traveling

Prevent Allergy Symptoms While Traveling

Traveling to a new place can present our senses with a whole host of allergy triggers. Follow our tips for reducing your allergies while traveling. See more »

5 Signs That Your Child Has Allergies

5 Signs That Your Child Has Allergies

Do you know the signs of allergies? See these five signs that your child has allergies to get information and start treatment. See more »

What are some possible causes of anaphylaxis?

What are some possible causes of anaphylaxis?

What are some possible causes of anaphylaxis? Visit HowStuffWorks to learn more about some possible causes of anaphylaxis. See more »

What are some signs of anaphylaxis in children?

What are some signs of anaphylaxis in children?

What are some signs of anaphylaxis in children? Visit HowStuffWorks to learn more about some signs of anaphylaxis in children. See more »

What are some symptoms of anaphylaxis?

What are some symptoms of anaphylaxis?

What are some symptoms of anaphylaxis? Visit HowStuffWorks to learn more about some symptoms of anaphylaxis. See more »

Watery Eyes? 5 Things You Didn't Know About Eye Allergies

Watery Eyes? 5 Things You Didn't Know About Eye Allergies

Eye allergies cause watery eyes, but there are lots of causes and solutions. Learn about 5 things you didn't know about eye allergies. See more »