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Anaphylaxis in Schools 3rd Edition

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Consensus Statement<br />

Emergency Protocol<br />

About Ep<strong>in</strong>ephr<strong>in</strong>e<br />

Despite best avoidance efforts, accidents can and do happen. Treatment protocols, <strong>in</strong>clud<strong>in</strong>g the use<br />

of an ep<strong>in</strong>ephr<strong>in</strong>e auto-<strong>in</strong>jector, must be provided by a healthcare professional. All persons at risk<br />

of anaphylaxis and their relatives, caregivers, and school personnel must be prepared to respond<br />

<strong>in</strong> emergency situations. Accidents are seldom predictable. Be<strong>in</strong>g prepared for the unexpected is<br />

always necessary.<br />

Ep<strong>in</strong>ephr<strong>in</strong>e is the drug form of a hormone (adrenal<strong>in</strong>e) that the body produces naturally. Ep<strong>in</strong>ephr<strong>in</strong>e<br />

is the treatment or drug of choice to treat anaphylaxis and as a result is widely prescribed for those at<br />

risk of anaphylaxis. All efforts should be directed toward its immediate use. 3,4,12 Individuals at risk of<br />

anaphylaxis are <strong>in</strong>structed to carry it with them at all times when age appropriate. Depend<strong>in</strong>g on the<br />

maturity level of the child, this is usually by the age of 6 or 7.<br />

Sometimes people who are at risk for anaphylaxis also have asthma. Ep<strong>in</strong>ephr<strong>in</strong>e can be used to treat<br />

potentially life-threaten<strong>in</strong>g allergic reactions and severe asthma attacks.<br />

Ep<strong>in</strong>ephr<strong>in</strong>e helps to reverse symptoms of an allergic reaction by open<strong>in</strong>g the airways, improv<strong>in</strong>g blood<br />

pressure, and accelerat<strong>in</strong>g heart rate. There are currently two ep<strong>in</strong>ephr<strong>in</strong>e auto-<strong>in</strong>jectors available <strong>in</strong><br />

Canada – EpiPen ® and Allerject. Both products come <strong>in</strong> two dosages or strengths – 0.15 mg and<br />

0.30 mg – which are prescribed based on a person’s weight. (See Appendix A for more <strong>in</strong>formation.)<br />

Individuals at risk of anaphylaxis will not always have the same symptoms dur<strong>in</strong>g an allergic reaction. 5<br />

Key Recommendations<br />

1. Ep<strong>in</strong>ephr<strong>in</strong>e is the first l<strong>in</strong>e medication that should be used for the emergency management of<br />

a person hav<strong>in</strong>g a potentially life-threaten<strong>in</strong>g allergic reaction. 12<br />

In studies of <strong>in</strong>dividuals who have died as a result of anaphylaxis, ep<strong>in</strong>ephr<strong>in</strong>e was underused, not<br />

used at all, or adm<strong>in</strong>istration was delayed. 6-9 The course of an anaphylactic episode cannot be predicted<br />

with certa<strong>in</strong>ty and may differ from one person to another and from one episode to another <strong>in</strong> the same<br />

person. 5 It is recommended that ep<strong>in</strong>ephr<strong>in</strong>e be given at the start of a known or suspected anaphylactic<br />

reaction. Ep<strong>in</strong>ephr<strong>in</strong>e should be <strong>in</strong>jected <strong>in</strong>to the muscle of the mid-outer thigh.<br />

2. Antihistam<strong>in</strong>es and asthma medications should not be used <strong>in</strong>stead of ep<strong>in</strong>ephr<strong>in</strong>e for treat<strong>in</strong>g<br />

anaphylaxis. 1,3,4<br />

10<br />

While they will do no harm when given as additional or secondary medication, they have not<br />

been proven to stop an anaphylactic reaction. Ep<strong>in</strong>ephr<strong>in</strong>e is the only treatment shown to stop an<br />

anaphylactic reaction. The ma<strong>in</strong> benefit of antihistam<strong>in</strong>es is <strong>in</strong> treat<strong>in</strong>g hives or sk<strong>in</strong> symptoms.<br />

<strong>Anaphylaxis</strong> <strong>in</strong> <strong>Schools</strong> & Other Sett<strong>in</strong>gs<br />

Copyright © 2005-2014 Canadian Society of Allergy and Cl<strong>in</strong>ical Immunology

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