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 ...

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 ...

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, ...

Seasonal allergies happen when your body's immune system overreacts to ordinarily harmless things in the environment, like pollen. This overreaction can cause symptoms such as sneezing, a runny nose, ...

Living with allergies can be difficult. Symptoms can mess with your day-to-day life or, in some cases, be life-threatening. Even if your allergies only show up seasonally, symptoms can impact your ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It happens every year. The weather warms up and flowers start to bloom, but, you can’t stop sneezing, ...

Kate Lecker is a 43-year-old regional business director for a pharmaceutical company. She has been using insulin for 40 years to treat her type 1 diabetes. She started having severe allergic reactions ...

People have shared their experiences of coming incredibly close to the rainbow bridge, all thanks to someone purposefully ...

If you live in New Jersey or Pennsylvania and you suffer from allergies, it might be time to start stocking up on tissues and antihistamines. We could be in for a rough pollen season this year, ...

STATEN ISLAND, N.Y. — Get those antihistamines ready. As we turn the corner into spring, allergy sufferers in New York City and the rest of the Northeast region could be in for a brutal allergy season ...