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 ...

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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 ...

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 ...

The most common type is a steroid nasal spray. These nasal sprays contain corticosteroids, which work to reduce inflammation. Some well-known steroid nasal sprays are Nasacort and Flonase. These ...

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 ...

Allergy sufferers may one day be able to erase the source of their congestion, itchy skin and swollen lips and throat thanks to two studies that have uncovered elusive immune cells that maintain ...

Add Yahoo as a preferred source to see more of our stories on Google. Ah, spring. No matter where you live, it’s the season of renewal, sunshine, milder weather — and plenty of allergies. Those ...

The Asthma and Allergy Foundation of America (AAFA) conducted an Allergy Capitals report for 2026, ranking the largest 100 ...