Yarren was climbing a tree when he collapsed in anaphylaxis and began having seizures after touching a hairy caterpillar nest.

ARS Pharmaceuticals launched Neffy, the first FDA-approved needle-free epinephrine nasal spray for severe allergic reactions.

More than 800,000 U.S. children have what's called "high threshold" peanut allergy, meaning they can tolerate about h ...

A new study on severe allergic reactions raises a red flag for people with nut allergies. More broadly, the study's findings could lead to faster diagnoses in emergency care for people suffering from ...

Allergic reactions caused more emergency admissions at Worcestershire Acute Hospitals Trust last year, new figures show.

FDA adds boxed warning to a multiple sclerosis drug, citing rare but severe risk. Today, the FDA issued a warning about the risk of anaphylaxis, a rare but life-threatening allergic reaction ...

Severe cutaneous adverse reactions (SCAR): A non-immediate rash that can be life-threatening. Types of reactions. Immediate: Occurs within 1–6 hours of taking the medication. Non-immediate ...

A MUM suffering severe bloating died after she had a suspected allergic reaction to a CT scan. Yvonne Graham, 66, went into cardiac arrest minutes after medics at Northampton General Hospital ...

After years of struggling with alcohol dependence, Shana found a combination of treatment and counseling that works for her.

Epinephrine is another term for "adrenaline." EpiPens are used when someone is having a severe allergic reaction. Children with allergies often bring them to school, and adults with severe allergies ...