Anaphylaxis is a severe allergic reaction that requires immediate first aid intervention with epinephrine if available

https://arthurgytd130.wpsuo.com/express-first-aid-courses-for-remote-and-outdoor-workers

Anaphylaxis is a severe allergic reaction that requires immediate first aid intervention with epinephrine if available. Signs include difficulty breathing, swelling of the face or throat, and rapid heartbeat.