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Knowing what to do in an emergency is an important part of allergy care.
Fast treatment is critical as the immune system’s response can escalate to life-threatening anaphylaxis within minutes. Anaphylaxis requires immediate treatment with adrenaline.
For further advice, refer to the person’s ASCIA Action Plan, which should always be accessible with their emergency medication.
See Allergy & Anaphylaxis Australia’s webpage ASCIA Action Plans – what are they?
Know the signs
Signs of mild to moderate allergic reactions
- swelling of lips, face or eyes
- hives or welts
- tingling mouth
If someone is having a mild to moderate reaction:
- stay with them, call for help
- give an antihistamine according to their ASCIA Plan
- phone a family/emergency contact.
Mild to moderate allergic reactions can progress to a more severe reaction so it is important to monitor for signs of anaphylaxis.
See: ASCIA's Action plan for allergic reactions (PDF,199 KB)
Signs of a severe allergic reaction (anaphylaxis)
- difficult/noisy breathing
- swelling of the tongue
- swelling/tightness in throat
- difficulty talking and/or hoarse voice
- wheeze or persistent cough
- persistent dizziness or collapse
- pale and floppy (young children)
Mild or moderate allergic symptoms may not always occur before symptoms of anaphylaxis.
Fast action saves lives
Any delay in treating anaphylaxis can be fatal.
If someone with a diagnosed allergy is experiencing any one anaphylaxis symptom:
Lay the person flat - do not allow them to stand or walk
- if unconscious or pregnant, place them in recovery position (on left side if pregnant)
- if breathing is difficult, allow them to sit with legs outstretched
- hold young children flat, not upright
Give adrenaline device
Phone an ambulance - 000
Phone family/emergency contact
The above is a short summary from ASCIA - there is more to know.
See ASCIA's First aid plan for anaphylaxis (PDF, 423 KB) for guidance on the signs and what to do.
Adrenaline devices
Adrenaline is a life-saving medication used to treat anaphylaxis.
Instructions for use are with each device and in the anaphylaxis ASCIA Plans. Device-specific ASCIA Plans are available.
Training devices are recommended for the person with the allergy and their family and friends to practice with. Training devices contain no needle or medication and can be reused.
Adrenaline devices usually expire after 12 to 18 months. It is important to track when adrenaline devices are due to expire and book an appointment well in advance for a new prescription.
More information and resources
- Adrenaline Hub – Allergy & Anaphylaxis Australia
Emergency treatment – being prepared - Allergy & Anaphylaxis Australia
The NSW Food Authority thanks the National Allergy Council (NAC) for reviewing content for this page. NAC is a partnership between the Australasian Society of Clinical Immunology and Allergy (ASCIA) and Allergy & Anaphylaxis Australia (A&AA).
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