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Anaphylaxis in children
Karen S Farbman1, Kenneth A Michelson
1Boston Children's Hospital, Division of Emergency Medicine, Boston, Massachusetts, USA.
Insights
Epinephrine is the primary treatment for anaphylaxis in children. Early peanut introduction can prevent allergies, and clinical signs are key for diagnosis, not lab tests.
Area of Science:
- Pediatric Allergy and Immunology
- Emergency Medicine
- Clinical Review
Background:
- Anaphylaxis is a severe, potentially fatal allergic reaction.
- Accurate diagnosis and timely management are critical for pediatric patients.
Purpose of the Study:
- To review current evidence on anaphylaxis diagnosis in children.
- To outline best practices for anaphylaxis treatment and monitoring.
- To discuss strategies for anaphylaxis prevention.
Main Methods:
- Systematic review of recent scientific literature.
- Analysis of clinical trial data and expert consensus.
- Synthesis of evidence on diagnostic markers, therapeutic interventions, and preventative measures.
Main Results:
- Clinical signs are more reliable than histamine or tryptase for anaphylaxis diagnosis.
- Intramuscular epinephrine is the preferred route of administration.
- Early peanut introduction significantly reduces the risk of peanut allergy.
- Shortened emergency department observation is feasible for select patients.
Conclusions:
- Epinephrine remains the cornerstone of anaphylaxis management.
- Adjuvant therapies should not replace epinephrine.
- Patient education on epinephrine autoinjector use is essential.
- Risk stratification guides observation and admission decisions.
Purpose Of Review:
Anaphylaxis is a serious allergic reaction that can be life threatening. We will review the most recent evidence regarding the diagnosis, treatment, monitoring, and prevention of anaphylaxis in children.
Recent Findings:
Histamine and tryptase are not sufficiently accurate for the routine diagnosis of anaphylaxis, so providers should continue to rely on clinical signs. Platelet-activating factor shows some promise in the diagnosis of anaphylaxis. Intramuscular is the best route for epinephrine administration for children of all weights. Glucocorticoids may reduce prolonged hospitalizations for anaphylaxis. Children with anaphylaxis who have resolving symptoms and no history of asthma or previous biphasic reactions may be observed for as few as 3-4 h before emergency department discharge. Early peanut introduction reduces the risk of peanut allergy.
Summary:
Epinephrine remains the mainstay of anaphylaxis treatment, and adjuvant medications should not be used in its place. All patients with anaphylaxis should be prescribed and trained to use an epinephrine autoinjector. Clinically important biphasic reactions are rare. Observation in the emergency department for most anaphylaxis patients is recommended, with the duration determined by risk factors. Admission is reserved for patients with unimproved or worsening symptoms, or prior biphasic reaction.
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