Anaphylactic shock may happen after someone comes into contact with an allergen. Body produces excessive amount of histamine, which affects respiratory system.
Symptoms:
Treatment:
Remove trigger
Lay or sit casualty down
If have adrenaline auto injector (i.e. EpiPen) ask them to inject themselves (or assist them if unable)
Contact emergency services
If no improvement or symptoms return repeat adrenaline auto injector doses at 5 min intervals
Monitor