Extreme allergic reaction not common, but still a concern. Staff Writer. The Daytona Beach News-Journal. I saw on TV that someone who's allergic to fish actually died just from smelling it.

Parents and caregivers should know what to do when an extreme allergic reaction known as anaphylaxis occurs, according to a new resource published in the medical journal JAMA.

According to researchers from the Northwestern University Feinberg School of Medicine, adult-onset food allergies are on the ...

Anaphylactic shock is an extreme allergic reaction. Allergic reactions occur because the body's immune system reacts inappropriately in response to the presence of a substance that it wrongly ...

The most severe allergic reaction is anaphylaxis, which is life-threatening. When this occurs, the airways can become so swollen it becomes difficult or impossible to breathe.