What are the different categories of allergies?

There are many different types of allergies. Alkis Togias, MD, Asthma and Inflammation Section Chief at the NIAID, tells us the type of allergy you have depends on where you are, what you eat, and even the drugs you take.

Watch out for these unexpected causes of allergy flare-ups.

Temperature changes can make eczema worse. Here's how to avoid breakouts.

Learn how strong emotions can affect asthma symptoms—and find ways to breathe easier.

Learn how to put together a plan for managing asthma, avoiding flares and seeking treatment during an emergency.

Most people with asthma understand asthma triggers. But do you know what causes asthma in the first place?