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Allergies

Treat Allergy Anaphylaxis

Important Information

Severe reactions occur rapidly, usually immediately after the patient eats, is bitten by an insect, or takes medication; Treat a severe allergic reaction as a medical emergency and follow primary care procedures

Patients having severe allergic reactions may have hives, wheezing, chest tightness, stomach pain and complain of nausea, difficulty breathing and swallowing sometimes due to swollen throat tissue, their blood pressure may drop leading to dizziness and fainting

Mild allergic reactions include sneezing, itchy eyes, runny nose and skin rashes, they are not usually life threatening and usually controlled by antihistamines


Anaphylactic shock is having a severe allergic reaction that often results in breathing difficulties for the sufferer. The person may also develop a weak thready pulse accompanied with low blood pressure and altered levels of consciousness. A doctor may prescribe an auto-injector EpiPen® when a person is identified as being at risk of anaphylactic shock.

Causes of Allergic Reactions

Anaphylaxis

A person suffering an allergic reaction or anaphylaxis is likely to develop a skin rash often with itchiness or swelling on their face, hands, or feet. The patient's breathing rate may slow down and they could begin vomitting or suffer with diarrhea.

Treating Allergies

Immediately contact your nearest emergency medical service (EMS) if a person is suffering from anaphylaxis. You may help the patient use their auto-injector/Epi-pen if they have breathing problems or a change in mental status (anaphylaxic). Constantly monitor and reassure the patient while waiting for an ambulance.

Patient Care for Allergic Reaction

STOP - Assess and observe the scene; Was patient stung? Eating?
THINK - Consider your safety and form action plan; Is epinephrine available?
ACT - Check responsiveness, look for medical alert tag and Alert EMS

Primary Assessment & Monitor AB-CABS


More About Allergies

Arrow icon How to use an EpiPen®
Arrow icon How to determine Pulse Rate
Arrow icon How to check Respiration Rate