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Assessment and allergy-focused history

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Assessment and allergy-focused clinical history

  • consider the possibility of food allergy in children and young people who have one or more of the signs and symptoms in tables below. Pay particular attention to persistent symptoms that involve different organ systems (1)

    • dermatological

IgE-mediated

non-IgE-mediated

pruritus

pruritus

Erythema

Erythema

Acute urticaria – localised or generalised

Atopic eczema

Acute angioedema – most commonly of the lips, face and around the eyes

  • gastrointestinal

IgE-mediated

non-IgE-mediated

Angioedema of the lips, tongue and palate

Gastro-oesophageal reflux disease

Oral pruritus

Loose or frequent stools

Nausea

Blood and/or mucus in stools

Colicky abdominal pain

Abdominal pain

Vomiting

Infantile colic

Diarrhoea

Food refusal or aversion

Constipation

Perianal redness

Pallor and tiredness

Faltering growth in conjunction with at least one or more gastrointestinal symptoms above (with or without significant atopic eczema)

  • respiratory - (usually in combination with one or more of the above symptoms and signs)

IgE-mediated

non-IgE-mediated

Upper respiratory tract symptoms (nasal itching, sneezing, rhinorrhoea or congestion [with or without conjunctivitis])

Lower respiratory tract symptoms (cough, chest tightness, wheezing or shortness of breath)

Lower respiratory tract symptoms (cough, chest tightness, wheezing or shortness of breath)

  • other

IgE-mediated

non-IgE-mediated

Signs or symptoms of anaphylaxis or other systemic allergic reactions

Consider the possibility of food allergy in children and young people whose symptoms do not respond adequately to treatment for:

  • atopic eczema
  • gastro-oesophageal reflux disease
  • chronic gastrointestinal symptoms, including chronic constipation

If food allergy is suspected (by a healthcare professional or the parent, carer, child or young person), a healthcare professional with the appropriate competencies (either a GP or other healthcare professional) should take an allergy-focused clinical history tailored to the presenting symptoms and age of the child or young person

  • should include:

    • any personal history of atopic disease (asthma, eczema or allergic rhinitis)

    • any individual and family history of atopic disease (such as asthma, eczema or allergic rhinitis) or food allergy in parents or siblings

    • details of any foods that are avoided and the reasons why

    • an assessment of presenting symptoms and other symptoms that may be associated with food allergy, including questions about:
      • the age of the child or young person when symptoms first started
      • speed of onset of symptoms following food contact
      • duration of symptoms
      • severity of reaction
      • frequency of occurrence
      • setting of reaction (for example, at school or home)
      • reproducibility of symptoms on repeated exposure
      • what food and how much exposure to it causes a reaction

      • cultural and religious factors that affect the foods they eat

      • who has raised the concern and suspects the food allergy

      • what the suspected allergen is

      • the child or young person's feeding history, including the age at which they were weaned and whether they were breastfed or formula-fed - if the child is currently being breastfed, consider the mother's diet

      • details of any previous treatment, including medication, for the presenting symptoms and the response to this

      • any response to the elimination and reintroduction of foods

    • based on the findings of the allergy-focused clinical history, physically examine the child or young person, paying particular attention to:
      • growth and physical signs of malnutrition signs indicating allergy-related comorbidities (atopic eczema, asthma and allergic rhinitis).

Reference:


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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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