2. What is Anaphylaxis?
Avon Ambulance
A severe allergic reaction which occurs
when the body is exposed to an allergen.
It causes histamine to be released, a
powerful chemical which causes
inflammation
4. Signs and Symptoms
Avon Ambulance
> Wheezing
> Nausea and Vomiting
> Severe itching
> Weak, rapid pulse
> Low blood pressure
> Tightness in chest and throat
> Shortness of breath
5. First aid treatment
Avon Ambulance
1) Call an ambulance
2) Check whether the casualty is carrying an Epi-Pen
(or similar), and help them to use it
3) Lie the casualty down with legs elevated to treat for
shock
4) Monitor the casualty, and give reassurance whilst
waiting for ambulance
6. Using an Epi-Pen
Avon Ambulance
> A person with a severe allergy may carry an Epi-
Pen (or other brand)
> These are auto-injectors containing adrenaline
> Adrenaline counteracts the effect of histamine
> You may have to help the casualty use their Epi-
Pen