Do you know how to use a Jext pen? It’s one of the two brands of adrenaline auto-injectors in use in the UK at the moment. If you suspect anaphylaxis, using an adrenaline pen is the first thing you should do, and can save a life. So whether you have allergies, or someone you care for has allergies, or not, it is worth training yourself up. You never know when this life-saving training could come in handy. Allergy Nurse Consultant, Dr Deb Marriage explains how to use this very simply and clearly.