Learn the difference between mild and severe allergy symptoms.

The reaction will depend on the body part involved and the severity of the reaction. Here’s what to look for.

 

Find out what causes hives and how to treat them.

Many people think poison ivy is contagious. Find out if that’s true and the best way to prevent poison ivy and other plant allergies.

A normal reaction to a bee sting is different from a bee sting allergy. Do you know the difference?

An allergy specialist shares her tips on dealing with pet allergies. And she should know. She has a cat, a dog, and many family members who have dog and cat allergies.

Learn about latex allergy symptoms and what to do in case of a severe reaction.

Mold is present in most indoor and outdoor spaces, and in many foods. Find out more about mold allergy symptoms and common food sources of mold.

Some people exposed to a wide range of chemicals, as in an office with poor ventilation, may develop this disorder – also known as sick building syndrome. Is it real? Find out here.

How do you tell the difference between a normal side effect a drug allergy? Find out here.

This itchy skin rash, common in children and infants, affects some people all their lives. Find out more about eczema treatment and symptoms in WebMD's Eczema Health Center.

How can you tell the difference between pink eye and eye allergies? Get started here.

Do you get a reaction when you eat nuts, shellfish, or other foods? Learn what’s causing those food allergy symptoms.

An unpleasant reaction to a specific food isn’t the same as a food allergy. Read on to understand.

Many unsuspecting products contain milk or milk products. Check our list.

If you have an egg allergy, check this food list for potential problems.

A nut allergy can become very serious, even fatal, rapidly. This food list will help you identify potential problems.

Some unexpected foods contain fish. If you’ve got a fish allergy, these tips will help keep you safe.

For most people with shellfish allergies, all shellfish must be avoided. Check out this list to learn which foods to avoid.

This allergy is most common among infants. By age two, the majority of children outgrow it. Find out more about the symptoms and how to avoid soy products.

Learn more about photosensitivity – an allergic response to sunlight. Click here for more.

Knowing which ingredients to look for is key to avoiding a wheat allergy. Check this list for unsuspected products that contain wheat.

About 1% of people have a sulfite allergy. This article has a list of foods that may contain sulfites.

A severe allergic reaction can be life-threatening. Learn more about the reaction called anaphylaxis so you can be prepared.

Allergies are a main trigger for asthma attacks. See what an asthma attack looks like in the lungs and learn the early warning signs.

How can you tell if your child’s allergies are causing asthma? Find out how to spot the symptoms and learn how asthma is treated in children.

Hay fever allergies can cause sinus blockage and infection. Learn how to spot sinus infection symptoms and how to treat the problem.