A St John Ambulance trainer demonstrates what to look for if someone has suffered a severe allergic reaction, such as an allergy rash and what to do to help to avoid anaphylactic shock. Find out more about what to do if someone has had a severe allergic reaction and learn about signs & symptoms here: http://sja.org.uk/sja/first-aid-advice/illnesses-and-conditions/allergic-reactions.aspx Learn more life saving skills with St John Ambulance first aid training courses: https://sja.org.uk/sja/first-aid-training-courses.aspx For more information follow us on Twitter: https://www.twitter.com/stjohnambulance Facebook: https://www.facebook.com/sja Instagram: https://www.instagram.com/st_john_ambulance/ #FirstAid #Allergies #Emergency