Medically reviewed by Corinne Savides Happel, MD Key Takeaways Anaphylaxis is a severe allergic reaction that can be ...

Doctors prescribe EpiPen (epinephrine injection) to treat anaphylaxis from any cause, including food and medication allergies. Use EpiPen as soon as symptoms start or just after exposure to a known ...

A mango allergy can cause mouth itching, hives, vomiting, or breathing issues shortly after exposure. A person may also experience a delayed reaction, such as a rash around the mouth or eye swelling.

Anaphylaxis can cause severe itching, difficulty breathing, fainting, and abdominal pain. These symptoms usually begin about 30 minutes after coming into contact with an allergy trigger. First, call ...

An allergic reaction happens when your immune system defends against substances that otherwise wouldn’t pose a threat to your ...