Hay fever, also known as allergic rhinitis or seasonal allergies, affects up to 30% of people worldwide. It's caused by an allergic reaction to substances like pollen, mold, or dust, which can lead to ...

Seasonal allergies are incredibly common, and yet they often don’t get the same level of attention or consideration as a cold or flu. “Oh, it’s just allergies!” we exclaim to a friend or coworker when ...

Peanut allergy is one of the most common food allergies, affecting between 1% and 2% of people living in the West. And, for ...

Allergic reactions are a serious condition many Americans face due to an abnormal immune response in the body that, in some cases, can result in death. An allergic reaction occurs when the immune ...

Seasonal allergies can leave you feeling congested with itchy eyes or throat. Seasonal allergies are often caused by an outdoor irritant like pollen, mold, or weeds. You can often find relief from OTC ...

A penicillin allergy can cause symptoms such as hives, shortness of breath, and areas of swelling. In some cases, it may also lead to anaphylaxis, a life threatening condition that causes low blood ...

Nearly 50% of adults develop food allergies later in life, leaving health experts baffled about the sudden rise in ...

What Is a Tree Nut Allergy? Tree nut allergies are when your body’s immune system overreacts to proteins found in nuts that grow on trees, such as almonds, cashews, and walnuts. Your immune system ...

Allergic conjunctivitis is not contagious, but other types of conjunctivitis, such as viral or bacterial, are. People can take steps to prevent transmission of the contagious types. These steps ...

Researchers have identified an allergy pathway that, when blocked, unleashes antitumor immunity in mouse models of non-small cell lung cancer (NSCLC). And in an early parallel study in humans, ...

Allergy immunotherapy is a long-term treatment for chronic allergies that reduces sensitivity to allergens (substances that cause an allergic reaction) by gradually exposing the immune system to doses ...